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federal reserve

Bank

DALLAS, TEXAS

of

Dallas

75222

Circular No. 80-4
January 14, 1980

FINAL AMENDMENTS TO REGULATION Z
Simplification of Annual Percentage Rate Calculation
TO ALL BANKS, OTHER CREDITORS,
AND OTHERS CONCERNED IN THE
ELEVENTH FEDERAL RESERVE DISTRICT:
The Board of Governors of the Federal Reserve System has amended its
Regulation Z, Truth in Lending, to simplify the calculation and disclosure of the
annual percentage rate and other credit terms. Many sections of the Regulation
have been amended, but three of the most important changes adopted include:
(1) a new tolerance permitted in disclosure of the annual percentage rate, (2) a new,
easier to understand minor irregularities provision, and (3) protection for creditors
against liability for e rro rs in annual percentage rate and finance charge disclosures
resulting from the good faith use of faulty calculation equipment. Mandatory com­
pliance with the amendments is required October 1, 1980, but since the changes
make creditor disclosure responsibilities easier they may be put in use at any
time before th e n .
Printed on the following pages is a copy of the Board's p ress release,
material submitted for publication in the Federal Register, an economic impact
analysis, and the amendments themselves. Final copies of the amendments in a
form suitable for inclusion in Regulations Binders will be made available as soon
as possible. Questions may be directed to the Consumer Affairs Section of the
Bank Supervision and Regulations Department, Ext. 6171.
Sincerely yours,
Robert H. Boykin
First Vice President

Banks and others are encouraged to use the following incoming W ATS numbers in contacting this Bank:
1-800-442-7140 (intrastate) and 1-800-527-9200 (interstate). For calls placed locally, please use 651 plus the
extension referred to above.

This publication was digitized and made available by the Federal Reserve Bank of Dallas' Historical Library (FedHistory@dal.frb.org)

FEDERAL RESERVE press release
For immediate release

December 21, 1979

The Federal Reserve Board today announced amendments to Regulation Z,
Truth in Lending, bearing on disclosure to borrowers of the annual percentage
rate (APR) and other credit terms.
The APR expresses the cost to the consumer of borrowing money and
paying for purchases on credit.
The Board proposed these changes for public comment in August.
They are designed to promote greater uniformity and accuracy in the calculation
of the APR by creditors, and to simplify its use, in order to enhance the
ability of consumers to shop for credit.
The amendments become mandatory Oc-Tober 1, 1980, but may be put in
use at any time before then.

The Board acted after consideration of numerous

comments on its August proposal, mostly favorable.
The three most important changes adopted by the Board relate to
(1) Tolerances permitted in disclosure of the annual percentage rate,

(2) The

special treatment accorded certain minor irregular payment schedules— generally
entered into as a convenience for customers, such as a long first payment period
to make payments coincide with the customer's payday, and (3) The protection
provided creditors against liability for errors in annual percentage rates and
finance charges resulting from the use in good faith of faulty calculation tools.
The amendments adopted include:
1.

As a general rule, an annual percentage rate will be considere

accurate if it is within 1/8 of 1 percentage point above or below the correct
annual percentage rate.

The current rule permits only the precise rate or

rounding to the nearest 1/4 of 1 percentage point.

-2­
2.

The minor irregularities provision provides essentially the

same latitude as now available for computing an annual percentage rate,
while making it easier to determine which irregularities fall within
specified permissible ranges.

A chart illustrating the provisions of

the amended rule for tolerance of minor irregularities in computing
the APR is attached.

A parallel provision that relates to the com­

putation of the finance charge and other terms has also been adopted, in
order to make similar protection available to those creditors who would
have difficulty taking account of payment schedule irregularities.
3.

Regulation Z states that an error in the disclosed annual

percentage rate due to a corresponding error in a chart or table used in
good faith by a creditor is not a violation.

The Board has extended this

rule to errors resulting from malfunction of any calculation tools used
by the creditor in good faith, without regard to type.
The Board also took action on several other special exceptions
relating to the degree of accuracy in the annual percentage rate, certain
common creditor practices, and revisions of Supplement 1 to Regulation Z.
The Board decided not to adopt certain changes it had proposed
to make in Volume I of the Board's Annual Percentage Rate Tables, as well
as several minor revisions relating to open end credit.
The Board's amendments are attached.
-

0-

FEDERAL RESERVE SYSTEM
[12 CFR 226]
[Reg. Z; Docket No. R-0239]
Truth in Lending
Calculation and Disclosure of Annual Percentage Rates
AGENCY:

Board of Governors of the Federal Reserve System.

ACTION:

Final rule.

SUMMARY: The Board is adopting revisions in the requirements of Regula­
tion Z, Truth in Lending, with regard to the calculation and disclosure
of the annual percentage rata and other credit terms. The most important
changes are: (1) adoption of a tolerance of 1/8 of 1 percentage point in
either direction from the exact annual percentage rate, in place of the
existing rounding rule; (2) adoption of simplified rules for treating minor
payment schedule variations; and (3) expansion of the protection available
to creditors who have relied in good faith on faulty calculation tools. The
revisions, which are set forth below, include amendments to §§ 226.5 and
226.8 of the regulation, deletion of several Board Interpretations, and
expansion of Supplement I to Regulation Z. The issues addressed were the
subject of a prior proposal published by the Board (44 FR 45141, August I,
1979).
EFFECTIVE DATE:
1980.

January 10, 1980, but compliance optional until October 1,

FOR FURTHER INFORMATION CONTACT: Regarding the regulation: Dolores S.
Smith, Section Chief (202-452-2412), Ellen Maland, Attorney (202-452-3867),
or Margaret Stewart, Attorney (202-452-2412), Division of Consumer and
Community Affairs, Board of Governors of the Federal Reserve System,
Washington, D.C. 20551. Regarding the economic impact analysis: Thomas A.
Durkin, Economist (202-452-2503), Division of Research and Statistics, 3oard
of Governors of the Federal Reserve System, Washington, D.C. 20551.
SUPPLEMENTARY INFORMATION: (1) INTRODUCTION. In January 1979, the Board’s
staff undertook an extensive review of the provisions of Regulation Z relat­
ing to calculation and disclosure of the annual percentage rate. This rate
expresses in percentage terms the cost of a consumer credit transaction.
3ecause of its usefulness as a tool for comparing various credit sources,
this terra is considered to be the most important disclosure required by the
Truth in Lending Act. The Act directs the Board, as part of its rulemaking
responsibilities, to prescribe rules for calculating and disclosing this
rate.
The review focused primarily on the variety of special rules in
the regulation regarding annual percentage rate determination and the absence
of specific guidance in certain areas. The study was prompted by adoption

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in January 1979 of uniform guidelines for Che enforcement of Regulation Z
(44 FR 1222, January 4, 1979), efforts by Congress and the Board to simplify
the requirements of the Act and Regulation Z, and the Board's Regulatory
Improvement Project.
The proposal published by the Board last January (44 FR 1116,
January 4, 1979) described five areas in which the Board believed clarifica­
tion or further guidance was necessary, together with alternative ways of
dealing with the issues raised. Based on the more than 300 comments received
in response to this publication, the Board in August 1979 (44 FR 45141,
August 1, 1979), published specific regulatory changes which it proposed to
make regarding these issues. The August publication proposed amendments
to §§ 226.5 and 226.8 of the regulation, revision of the Board's Supplement I
(the rules for determination of the annual percentage rate), and revision of
Volume I of the Board's Annual Percentage Rate Tables.
Approximately 235 commenters responded to the August proposal. The
great majority of comments were from banks and other financial institutions.
Based on these comments and the Board staff's analysis, the Board now adopts
amendments to §§ 226.5 and 226.8, together with revisions to Supplement I to
Regulation Z. These changes are discussed below. The Board has decided not
to make the proposed changes to Volume I of the Board's Annual Percentage
Rate Tables.
In order to assist creditors in adapting to the requirements of the
regulation as amended, the Board will not require them to comply with the
revised regulation until October 1, 1980. However, the 3oard notes that
many of the revisions, 3uch as the 1/8 of 1 percentage point tolerance, pro­
vide creditors with greater protection than is available to them under the
existing regulation. Therefore, the Board has determined that the revised
provisions should be effective concurrently with the existing regulation
until October 1, 1980. Creditors who have the capability and who wish to
comply with the revisions before that time may do so, while creditors who
require a longer period of adjustment may continue to operate under the
existing rules in the interim. After October 1, 1980, all creditors will
be required to comply with the new rules.
Set forth below is a discussion of the changes to be made and the
economic impact of the changes, followed by the text of the amendments to
§§ 226.5, 226.8, and the revised Supplement I to Regulation Z.
(2)
REGULATORY PROVISIONS. Tolerance. Section 226.5(b)(1) sets
forth the general standard of accuracy for calculation and disclosure of the
annual percentage rate in closed end credit transactions. An annual percent­
age rate will be considered accurate, subject to the exceptions discussed
below, if it is within 1/8 of 1 percentage point above or below the exact
annual percentage rate. Currently, the annual percentage rate Tiust be dis­
closed either as an exact rate or rounded to the nearest 1/4 of 1 percentage
point.
The Board notes that the 1/8 of 1 percentage point tolerance is in
accord with the Truth in Lending amendments now being considered by Congress

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and Chat a large majority of the commenters addressing this issue supported
such a tolerance. The comments indicated no basis for applying different
tolerance rules depending on such factors as length of the transaction or
type of credit extended. Therefore, the tolerance will be available, as a
general rule, without regard to any distinguishing factors.
The regulation continues to recognize both the actuarial method
and the United States Rule method in calculation of the annual percentage
rate. Under the actuarial method, the unpaid balance of the obligation is
increased by the finance charge earned during each unit-period (or fractional
unit-period), and decreased by any payments made at the end of that period.
Under the United States Rule method, which is used by many credit unions,
any earned, unpaid finance charge is not added to the unpaid balance of the
obligation, but is accumulated separately until such time as payments are
sufficient to pay the earned unpaid finance charge. A second characteristic
distinguishing this method from the actuarial method is that no interest
calculation is made until a payment is received.
In application of the 1/8 of 1 percentage point tolerance, the
accuracy of the disclosed annual percentage rate will be judged in accordance
with whichever of these two methods was used in calculating the disclosed
rate.
In transactions involving equal payments and equal periods, either
method
will produce the same annual percentage rate. In
irregular transac­
tions,
however, there may be slight variations in the annual percentage rate.
Supplement I. Supplement I to Regulation Z, which was first
adopted 10 years ago, sets forth equations and instructions for determining
the exact annual percentage rate. This material, which is incorporated by
reference in the regulation, is not intended for day-to-day use by creditors
in their lending operations. Rather, it is used by manufacturers of calcu­
lation tools in producing and verifying their products. These products are
in turn used by a great majority of creditors; in this sense, the supplement
provides a standard of accuracy for the credit industry.
In its August proposal, the Board suggested revising Supplement I
to expand the number and variety of examples, to include explanations and
equations for determining the annual percentage rate in accordance with the
United States Rule as well as the actuarial method, and to provide further
guidance on determination of unit-periods and fractional
unit-periods.
With the exception of the
material relating tothe United States
Rule, the revisions proposed in Supplement I have been adopted by the Board.
The material relating to the United States Rule has not been adopted because
the comments and other information available to the Board indicated that there
is no compelling need for this material.
In view of the apparent lack of
necessity for such an expansion, the Board has determined that Supplement I
should continue to be based solely on the actuarial method. As indicated
above, however, the supplement has been expanded to provide further examples
and more specificity regarding the determination of unit-periods and frac­
tional unit-periods. The existing Supplement I permits fractional unitperiods in the denominator for the actuarial method equation to be expressed
in either a linear or an exponential form. In order to provide a more uni­
form standard, the new supplement requires the use of the linear form, which
is widely used in the credit industry.

-

4-

Board tables and other tools. Section 226.5(b)(2)(i) describes
Volumes I and II of the Annual Percentage Rata Tables. This material pro­
vides creditors with a readily-usable calculation tool applying the technical
information contained in Supplement I. An annual percentage rate computed
in accordance with the instructions in the tables is deemed to comply with
the regulation, even in those cases where its use may produce an annual per­
centage rate that falls outside the general rule on accuracy. Volume I, the
more commonly-used of the tables, applies to credit transactions involving
equal payment amounts and periods, as well as to transactions with an odd
first payment, odd first period, or odd final payment.
In its August proposal, the Board had suggested revising Volume I
by expanding the explanatory material regarding its use, amending the adjust­
ments needed to accommodate certain irregularities, and reprinting the factor
tables in 1/3 of 1 percentage point rather than 1/4 of 1 percentage point
increments. The Board has now determined that the proposed changes are not
warranted.
In making this decision, the 3oard was particularly mindful of
the possible difficulties creditors would experience in adjusting to the new
material, as compared to the relatively slight increase in accuracy produced
by the revisions. The Board also notes that this volume has been widely
distributed throughout the credit industry in the last 10 years, compounding
the difficulty of disseminating new material.
Section 226.5(b)(2)(ii) authorizes the use of any other computa­
tion tool, including charts, tables, computers and calculators, which produces
the same degree of accuracy as called for by § 226.5(b)(1).
Single add-on rate. Section 226.5(b)(3) permits creditors asses­
sing finance charges in a certain manner to disclose an annual percentage
rate which may not meet the general accuracy requirements of the regulation.
Where a single add-on rate is applied to all transactions up to 60 months
in length, the creditor may disclose for all those transactions the single
highest annual percentage rate.
For example, an add-on rate of $10 per $100
per year would produce the following annual percentage rates at various
maturities: at 3 months, 14.9%; at 21 months, 18.18%; and at 60 months,
17.27%. Under this provision, the creditor may disclose for all transactions
up to 60 months an annual percentage rate of 18.18% (the highest annual per­
centage rata). This provision reflects the current 3oard Interpretation
§ 226.502.
In its August proposal, the 3oard had suggested limiting this
special rule to transactions with maturities greater than 9 months since
short-term transactions produce the greatest degree of overstatement. As an
alternative, the Board also requested comment on whether the rule could be
eliminated entirely.
The available evidence indicates that the present rule may still
be necessary for certain creditors, for short-term transactions as well as
those over 9 months in length. Therefore, the 3oard is retaining the
current rule enunciated in Interpretation § 226.502.
For organizational
purposes, however, the Board is eliminating the interpretation and placing
this special rule in the body of the regulation itself, as reflected in
§ 226.5(b)(3).
The 3oard emphasizes that this provision continues to be
available only in transactions which are payable in equal installments at
equal intervals.

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5-

Range of balances. Section 226.5(b)(4), like the preceding para­
graph, represents an exception to the general rule on accuracy of disclosed
rates, for creditors assessing finance charges by a certain method. This
special rule is currently reflected in § 226.5(c)(2)(iv). Under this rule,
creditors applying a single finance charge to all balances within a specified
range may understate the annual percentage rate by up to 8% of the actual
rate for the lowest balance, by disclosing for all balances within that range
the annual percentage rate computed on the median balance. That is, if a
finance charge of 59 applies to all balances between $91 and $100, an annual
percentage rate of 10% (the rate on the median balance) may be disclosed as
Che annual percentage rate for all balances, even though a $9 finance charge
applied to the lowest balance ($91) would actually produce an annual percent­
age rate of 10.7%.
In its August publication, the 3oard had proposed two alterna­
tives: (1) limit the special rule to transactions involving orders by mail
or telephone, or (2) eliminate the special provision entirely. The available
evidence indicates that a need may continue to exist for this provision, but
only with respect to the preliminary disclosures made on series of sales
agreements and orders by mail or telephone. Therefore, the Board is limiting
5 226.5(b)(4) to annual percentage rates disclosed pursuant to §§ 226.8(g)(1)
and (2) and 226.8(h)(1).
Minor irregularities - annual percentage rate. The Board is adopt­
ing two provisions, §§ 226.5(b)(5) and 226.8(r), that deal with the impact of
minor payment schedule irregularities on the annual percentage rate, finance
charge and other disclosures. A common irregularity is an initial payment
period that is longer or shorter than the other periods; another involves
one payment that differs in amount from the other payments.
The new § 226.5(b)(5) states that, for purposes of computing an
annual percentage rate, the irregularity of an initial payment period may be
disregarded if it is within a specified number of days longer or shorter than
a regular period. Since first period irregularities have a greater impact on
the rate in short-term than in long-term transactions, the provision makes
distinctions based on the length of the term. The degree of first period
irregularity that may be ignored under the new provision is shown in the
following table:
For a term of the
transaction of . .
The first period may be
treated as regular if
it differs from regular
by up to this many
days . . .

Up to 1 yr.

6 shorter
13 longer

10 yrs. & over
At least 1 yr.
Less than 10 yrs.

11 shorter
21 longer

any number shorter
32 longer

In addition, any payment irregularity that results from an irregularity in
the first period within these specified ranges could also be disregarded.

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This new provision replaces the minor irregularities provisions in
the existing § 226.5(d) of the regulation and Board Interpretation § 226.503.
It provides a similar approach in defining which irregularities in the first
period may be disregarded by comparing the number of days in the irregular
period to the number of days in a regular period. The new rules are simpler
to apply, however, since they make no distinctions based on the length of
the unit-period. Elimination of that distinction appears justified since
the effect of first period variations on the annual percentage rate is more
closely related to the term of the transaction than to the unit-period's
length; furthermore, dropping the distinction permits a simpler and more
understandable rule for determining which irregularities may be disregarded.
The ranges of irregularities specified are basically those that have been
applicable to transactions payable monthly under the existing rules. This
choice was made because a month is the most common unit-period and because
those ranges are the most generous.
The new provision also differs from the existing version in its
treatment of variations in payment amounts. The existing rule requires that
the irregular payment be measured against the regular payment to see if it
falls within 25% or 50% (depending on the transaction's term) of the regular
payment. If it met that test, it could be disregarded. The new rule simply
states that any payment irregularity that results from a first period irreg­
ularity within the specified ranges may be ignored.
By describing the varia­
tion in payment amount in terms of its cause, the most common minor irregu­
larity will be taken care of, while the need to independently measure the
irregular payment is eliminated.
In its August proposal, the 3oard had offered three alternative
ways of dealing with the effect on the annual percentage rate of payment
schedule irregularities. The most stringent of the alternatives was to
eliminate the minor irregularities provisions and require all creditors to
disclose a rate meeting the general standard of accuracy of 1/8 of 1 percent­
age point. There was relatively little support for this approach among the
commenters.
The second alternative suggested was to continue the approach
currently taken and simply improve the regulatory language. This alternative
received the greatest support from the commenters. The third option was to
replace the existing provision with one permitting a larger degree of over­
statement (but a smaller degree of understatement) where an initial payment
or payment period is irregular.
The Board has chosen the second of the three alternatives by
adopting a provision that provides essentially the same protections now
available to creditors computing an annual percentage rate, while simplifying
the determination of which irregularities fall within the specified ranges.
Minor irregularities - finance charge. The new § 226.8(r) provides
a similar minor irregularities provision for purposes of computing and dis­
closing the finance charge and the schedule of payments.
It is parallel to
the annual percentage rate provision discussed above, new § 226.5(b)(5), in
that it defines in the same way the first period irregularities that may be
disregarded.
It differs from both Board Interpretation § 226.505 (which it

7
replaces) and the new § 226.5(b)(5), however, in that it permits disregard­
ing only variations in the final payment that result from first period
irregularities. The 3oard believes that this limitation is warranted, on
the grounds that adjustments made in other ways do not require this special
treatment. If an adjustment is made to the first payment to account for an
irregular first period (for example, where a first payment due January 1 on
a mortgage loan made on November 20 is increased to pay the extra 10 days'
interest) or where the charge for the odd first period is spread out among
all the payments, it is a simple matter to reflect the adjustments when'
disclosing the finance charge and the payment schedule.
,

The minor irregularities protection is needed, however, when the
adjustment for an irregular
first period is made at
the end of the transac­
tion. For example, a credit union making a loan on
November 20 with the
first payment due January 1 will frequently collect
payments
that are
determined as if there were
a regular first period,
but willaccrue interest
based on the actual time the principal is outstanding and will adjust the
final payment to account for the effect of the long first period. The new
§ 226.8(r) permits the credit union to disregard the effect of such a prac­
tice in disclosing the finance charge and payment schedule.
This provision differs from the one proposed in August in several
ways.
Its applicability is not limited to certain so-called simple interest
obligations. Furthermore, it permits less overstatement (resulting from long
first periods), while countenancing some degree of understatement (resulting
from short first periods). The comments suggested that long first periods
are far more common than short ones and that the minor irregularities provi­
sion should be expanded to cover them. In addition, the provision adopted
has the advantage of providing parallel rules for defining period irregular­
ities for purposes of both annual percentage rate and finance charge
computation.
It should be noted in connection with both of the minor Irregular­
ities provisions that creditors are always free to arrange payment schedules
with irregularities that fall outside the categories defined in those provi­
sions.
In such cases, a creditor has two
choices:
account of the effect such irregularities have on the disclosures; alterna­
tively, in the case of the annual percentage rate, it can ignore the irregu­
larity provided the disclosed rate is not more than 1/3 of 1 percentage point
from the true rate.

f*

Certain creditor practices. The new § 226.8(s) states that, when
making calculations and disclosures, creditors may ignore the effect of
certain facts or practices, namely, collecting of payments in whole cents,
changing dates of payments and advances when the scheduled date falls on a
weekend or holiday, and the fact that months have different numbers of days.
These things have very slight effects on disclosures and the Board believes
the negligible benefit to consumers of taking account of such matters does
not justify the burden of doing so.

it can tak

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8

'

This provision differs from the August proposal in that the autho­
rization to treat all months as equal is not restricted to simple interest
creditors, and the requirement to nark as an estimate the finance charge
disclosed in reliance on such a provision has been deleted.
Faulty calculation tools. Section 226.5(c) represents an extension
of the existing § 226.5(c)(3). Under the latter provision, an annual per­
centage rate or finance charge error that results from an error In the chart
or table used by the creditor does not violate Regulation Z. The Board pro­
posed in it3 August publication to extend this provision to errors resulting
from the use of faulty calculators and computers, or, in the alternative, to
eliminate the provision entirely. The first alternative— extension of the
protection to all types of calculation tool3— would not have extended to the
software or programming elements of electronic calculation tools. This
proposal was suggested in an effort to limit the protection of the rule to
errors beyond the creditor's control and to alleviate possible enforcement
difficulties in confirming errors in software.
The comments received by the Board on this issue clearly supported
the extension of the provision to all calculation tools, including software
elements of calculators and computers. The Board believes that this protec­
tion should be made available for all calculation tools, without regard to
type, and new § 226.5(c), set forth below, reflects this decision. In the
Board's view, the vast majority of creditors do not possess the specialized
technical knowledge necessary to evaluate calculation tools internally and
must continue to rely on the producers of those tools to provide that
knowledge.
The Inaccuracies which may be countenanced by this provision will,
in the Board's view, be offset by the restrictions imposed on the availabil­
ity of the protection. First, the creditor's reliance on the tool must be
in good faith. This imposes on the creditor a reasonable degree of respon­
sibility for assuring that the tool in question provides the degree of
accuracy required by the regulation. For example, the creditor might verify
the results obtained by use of the tool by comparing those results to the
figures obtained by use of another calculation tool. The creditor might also
reasonably rely on the expertise of the enforcement agency in making such a
determination.
Second, any creditor with reason to believe that the tool is in
fact inaccurate must promptly discontinue use of that tool and notify the
Federal Reserve 3oard of the error. That is, a creditor who was aware of
the error and continued to use the tool for disclosure purposes would no
longer have the protection of 5 226.5(c) as to inaccurate disclosures made
after that time. The Board imposes no specific requirement on creditors
with regard to the information contained in the notification to the Board.
However, the description of the tool in question must be specific enough to
identify the tool. The 3oard envisions that the notification would normally
include the name of the manufacturer or producer of the tool, a trade name,
or a model name or number. In describing the error, the creditor need not
identify the specific source of the error, as for example by determining the

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sceps In a calculator program which produced the inaccurate results. While
the creditor is encouraged to include its opinion regarding the source of
the error, a description of the erroneous results and the transactions to
which they relate would be sufficient for purposes of this requirement.
Open end credit. Section 226.5(a), relating to the determination
of the annual percentage rate in open end credit, has been retained in its
present form except for Che addition of the 1/8 of 1 percentage point toler­
ance. Thus, an annual percentage rate calculated and disclosed pursuant to
§ 226.5(a) would be subject to the same standard of accuracy as that set
forth for closed end credic transactions. The Board staff’s analysis,
together with the comments, Indicates no basis for making any other changes
in the provisions of S 226.5(a) aC Chis cime.
Effective date. In accordance with 5 U.S.C. 553(d)(1) and (3),
the 3oard has determined that the effective date of these amendments need
not be delayed 30 days, but may be issued effective immediately since these
amendments for the most part are less restrictive than the provisions that
they replace. In addition, compliance with the amendments Ls not required
until 9 months have elapsed, thus providing persons subject to these provi­
sions sufficient time to analyze their procedures and tools in light of the
changes made and adjust to the new requirements.
Although mandatory compli­
ance is not immediately required, the Board has determined that both the new
and existing provisions shall be in effect concurrently during the 9-month
interim period so that creditors wishing and able to take advantage
of the
new provisions at this time may do so.
(3) ECONOMIC IMPACT ANALYSIS. According to § 102 of the Act,
Truth in Lending was intended "to assure a meaningful disclosure of credit
terms so that the consumer will be able to compare more readily the various
credit terms available to him and avoid the uninformed use of credit....”
However, in the 10 years since the effective data of the Act, the complexity
of the Act and its Implementing regulation has presented serious compliance
difficulties. Despite indications that most financial institutions have
made good-faith attempts to comply with Regulation Z, technical violations
are common.
In its Annual Report on Truth in Landing for the Year 1978, the
Board reported that more than four-fifths of the banks and almost three-fifths
of the credit unions examined that year by the Federal regulatory agencies
were found not to be in complete compliance with Regulation Z.This Annual
Report indicated, though, that "for both kinds of institutions most viola­
tions were nonsubstantive."
(See p. 11, Annual Report for 1978.) Nonsub­
stantive violations include such things as errors that might arise on
account of misunderstanding the regulation, clerical errors, carelessness,
and oversights that do not materially affect the accuracy of the most
important disclosures.
The difficulties of complying in good faith with a
complex law and regulation, along with indications that not all current pro­
visions of Truth in Landing are helpful to consumers in shopping for credit,
have prompted Congressional calls for Truth in Lending simplification.
Earlier this year, as part of its own efforts to simplify its regu
lations, the Board requested public comment on certain relatively technical
issues concerning methods of calculating and disclosing annual percentage

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rates and finance charges under Regulation Z (44 FR 1116, January 4, 1979,
and 44 FR 45141, August 1, 1979). Each of the changes resulting from this
review appears to be consistent with the goal of simplifying the regulation.
In general, the amendments should increase somewhat the levels of technical
compliance with the regulation without requiring creditors to make costly
adjustments in their operations. Also, although technical compliance is
made somewhat easier, it is done without sacrificing important consumer
protections.
The first major amendment concerns the degree of tolerance allowed
in disclosures of annual percentage rates which would comply with Regula­
tion Z. Existing § 226.5(b) of Regulation Z requires, as a general rule,
that the annual percentage rate disclosed be either the precise rate or the
precise rate rounded to the nearest 1/4 of 1 percentage point. Apparently
some creditors have interpreted this provision to be a true tolerance, which
it is not. The amendment will permit a fixed tolerance of +1/8 of 1 per­
centage point on all transactions, which is the tolerance proposed in the
Truth in Lending Simplification Act that has passed the Senate. The amend­
ment will have the effect of bringing into compliance some transactions
which are, technically, not in compliance because of misconceptions about or
errors in using the rounding rule. Consumer protections should not be sacri­
ficed because the tolerance allowed to aid compliance is relatively narrow.
At present, there is no available evidence that consumers make credit deci­
sions on the basis of variations in annual percentage rates as small as 1/8
of 1 percentage point. In terms of dollars and cents, a tolerance of 1/8 of
1 percentage point is about 7 cents per S100 financed on 12-month loans and
about 22 cents per $100 on 36-month loans. On larger, longer-term loans
like mortgages where 1/8 of 1 percentage point may be more significant in
absolute dollar terms, it is still a small proportion of the annual percent­
age rate at current market levels.
The second major amendment concerns the part of Regulation Z known
as the minor irregularities rule. A relatively narrow tolerance, such as the
tolerance resulting from either the 1/8 of 1 percentage point rule or the
rule of rounding to the nearest 1/4 of 1 percentage point, may not be suffici­
ent to ease certain compliance problems in cases involving irregular payments.
Creditors often arrange, mostly for the convenience of their customers, pay­
ment patterns which allow minor irregularities in the schedule of payments.
A common example is an abnormally long first period so that monthly payments
can be due on the customer's payday. The problem is that on loans with rela­
tively short maturities a long (or short) first payment or other irregularity
may cause the true annual percentage rate to deviate from the disclosed rate
by more than the allowed tolerance. The result is an added burden for cred­
itors attempting to comply with the regulation in good faith but also trying
to satisfy the payment period desires of their customers. For this reason
Regulation Z allows, in effect, wider tolerances for certain variations in
payment amounts and patterns that fall within the minor irregularities provi­
sions.
The existing minor irregularities rule is complex. It allows a
payment to be classified as regular for purposes of computing an annual per­
centage rate if it varies in size from regular payments by no more than a

-

11-

certain percentage.
It also permits a first payment period to be treated as
regular if it varies from the other periods by no more than a certain number
of days. The number of days in first periods that may be counted as regular
depends upon the frequency of payment and upon the original maturity of the
loan contract.
All other payments must be equal in size and be scheduled at
equal intervals.
The new minor irregularities provisions appear to be a useful
simplification because they achieve the basic purpose of the minor irregu­
larities rule— reducing the compliance burden for creditors attempting to
accommodate customers— and it makes the present rule clearer and easier to
understand. This approach, together with the tolerance rule, should aid
good-faith compliance efforts somewhat, especially for newer or smaller cred­
itors not as familiar with the technicalities of Regulation Z but attempting
to comply without the aid of expensive legal advice or calculating equipment.
For two reasons It does not seem that understatement or overstatement of the
annual percentage rate disclosed as a result of the minor irregularities rule
is harmful to consumers. First, if a long first period or a smaller first
payment is counted as regular under the minor irregularities rule, to the
extent that the disclosed rate varies from the exact annual percentage rate,
the exact rate will be lower.
Since a long first period is probably the
most frequent minor irregularity, consumers generally will not be burdened
with annual percentage rates higher than those disclosed.
Second, minor
irregularities in the first period are often arranged for the convenience
of consumers after the essentials of the credit offer are accepted. As a
result, variations in annual percentage rates resulting from minor irregu­
larities in such cases are not likely to be very useful in credit shopping.
The third major provision concerns extending to users of calculat­
ing equipment the existing protection from liability provided to creditors
relying in good faith on faulty charts or tables.
In many cases the sophis­
tication of the technical skills needed to evaluate the performance of these
tools requires creditors to rely on the assurances of manufacturers. On
occasion, minor errors beyond their control could subject creditors to major
litigation costs and civil penalties. Although the 1/8 of 1 percentage point
tolerance may obviate the need for protection from some minor errors, protec­
tion for a creditor using calculating devices and computers in good faith
appears reasonable.
Consumers' interests should be protected by the fact
that conscious errors or continued use of devices known to produce erroneous
results would subject creditors to the penalties of Truth in Lending, as with
any other violation. Furthermore, protection for creditors using calculating
devices and computers in good faith should facilitate the adoption of improved
calculating equipment.
(4)
TEXT OF AMENDMENTS.
In consideration of the foregoing and
pursuant to the authority granted in § 105 of the Truth in Lending Act (15
U.S.C. 1604 (1970)), the 3oard amends Regulation Z (12 C.F.R. Part 226) as
follows:
1.
Effective October 1, 1980, existing § 226.5(a) is amended by
deleting both the title "General rule— open end credit accounts" and the
first sentence beginning "The annual percentage rates for open end credit"

-

12

-

and ending "nearest quarter of 1 percent."; §§ 226.5(b) through (e), Inter­
pretations §§ 226.502, 226.503, and 226.505, and Supplement I to Regulation Z
are rescinded.
2.
Effective January 10, 1980, § 226.5(a) is amended and new
§§ 226.5(b) and (c), 226.3(r) and (s) and Supplement I to Regulation Z
are added, to read as follows:
§ 226.5 -- DETERMINATION OF ANNUAL PERCENTAGE RATE
(a)
Open end credit— general rule. The annual percentage rate
is a measure of the cost of credit, expressed as a yearly rate. An annual
percentage rate shall be considered accurate if it is not more than 1/8 of
1 percentage point above or below the annual percentage rate determined in
accordance with this section.
*

*

*

*

*

(b)
Credit other than open end. (1) General rule. The annual
percentage rata is a measure of the cost of credit, expressed as a yearly
rate, which relates the amount and timing of value received by the consumer
to the amount and timing of payments made. The annual percentage rate shall
be determined in accordance with either the actuarial method or the United
States Rule method and shall be considered accurate if it is not more than
1/8 of 1 percentage point above or below the annual percentage rate determined
in accordance with whichever method is used. Explanations, equations and in­
structions for determining the annual percentage rate in accordance with the
actuarial method are set forth in Supplement I, which is incorporated in this
Part by reference.
(2)
Computation tools. (i) The Regulation Z Annual Percentage
Rate Tables produced by the Board may be used to determine the annual per­
centage rate, and any such rate determined from these tables in accordance
with the instructions contained therein will comply with the requirements
of this section. Volume I of the tables applies to single advance trans­
actions involving up to 480 monthly payments or 104 weekly payments.
It
may be used for regular transactions, and for transactions with any of the
following irregularities: an oddfirst period, an odd first payment, and an
odd final payment. Volume IIapplies to transactions involving
multiple
advances and any type of payment or period irregularity.
(ii)
Creditorsmayuseany other computation tool indetermin­
ing the annual percentagerate so
long as the annual percentage
rata so
determined equals the annual percentage rate determined in accordance with
Supplement I, within the degree of accuracy set forth in paragraph (b)(1)
of this section.
(iii) Supplement I and Volumes I and II may be obtained from any
Federal Reserve 3ank or from the 3oard in Washington, D.C. 20551.

-

13

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(3) Single add-on rate transactions. If a single add-on rate is
applied Co all transactions with maturities up to 60 months and if all pay­
ments are equal in amount and period, a single annual percentage rate may be
disclosed for all such transactions, provided that it is the highest annual
percentage rate for any such transaction.
(4) Certain transactions involving ranges of balances. For pur­
poses of disclosing the annual percentage rate referred to in §§ 226.8(g)(1)
and (2) (Orders by mail or telephone) and 226.8(h)(1) (Series of sales),
if the same finance charge is Imposed on all balances within a specified
range of balances, the annual percentage race computed for the median balance
may be disclosed for all of the balances. However, if Che annual percenCage
race compuced for Che median balance undecscaces Che annual percenCage race
compuCed for Che lowesc balance by more Chan 8% of Che latter rate, the
annual percentage race shall be compuced on whaCever lower balance will pro­
duce an annual percentage rate which does not result in an understatement of
more than 8% of the rate determined on the lowest balance.
(5) Payment schedule irregularities. In determining and disclos­
ing the annual percentage rate, a creditor may disregard an irregularity in
the first period ^b that falls within the limits described below and any
payment schedule irregularity that results from the irregular first period:
(I) For transactions in which the term 5b
less than 1 year:
a first period not more than 6 days shorter or 13 days longer than a regular
period;
(ii) For transactions in which the term is at least 1 year and
less than 10 years: a first period not more than 11 days shorter or 21 days
longer than a regular period; or
(iii) For transactions In which the term is at least 10 years:
a first period shorter than or not more than 32 days longer Chan a regular
period.
(c) Errors in calculation tools. An error in disclosure of the
annual percentage rate or finance charge shall not, in itself, be considered
a violation of this Part if:
(1) The error resulted from a corresponding error in any calculaCion Cool, such as a chart, Cable, calculaCor or compucer, used in good
faich by Che credicor, and

-^For
the
the
the

purposes of this paragraph, the "first period" is the period from
date on which the finance charge begins to be earned to the date of
first payment, and the "term" is the period from the date on which
finance charge begins to be earned to the date of the final payment.

-

(2)
(i)
purposes, and

14

-

Upon discovery of the error, the creditor promptly
Discontinues use of that calculation tool for disclosure

(ii) Notifies the Board in writing of the error in the calcula­
tion tool. The notification shall include an identification of the tool
and a description of the error, and shall be addressed to the Division of
Consumer and Community Affairs, Board of Governors of the Federal Reserve
System, Washington, D.C. 20551.
ie

§ 226.8 —

it

it

it

CREDIT OTHER THAN OPEN END ~

it

SPECIFIC DISCLOSURES

(r) Payment schedule irregularities. In determining and dis­
closing the finance charge and the payment schedule under paragraph (b)(3)
of this section, a creditor may disregard an irregular final payment or
portion of a final payment that results from an irregular first period
within the limits described below and may treat the irregular first period
as if It were regular:
(i) For transactions in which the term ^3f
less than 1
year: a first period not more than 6 days shorter or 13 days longer than
a regular period;
(ii) For transactions in which the term is at least 1 year
and less than 10 years: a first period not more than 11 days shorter or
21 days longer than a regular period; or
(iii) For transactions in which the term is at least 10 years:
a first period shorter than or not more than 32 days longer than a regular
period.
(s) Disregarding certain practices. In making calculations and
disclosures, a creditor need not take into account the effects of the fol­
lowing :
(1)

The

factthatpayments are collected in whole cents;

(2)
The
factthatthe dates of payments and advances are
because the scheduled date falls on a Saturday, Sunday, or holiday; and
(3)
*

l^f For
the
the
the

The

changed

factthatmonths have different numbers of days.
*

*

*

*

purposes of this paragraph, the "first period" Is the period from
date on which the finance charge begins to be earned to the date of
first payment, and the "term" is the period from the date on which
finance charge begins to be earned to the date of the final payment.

^y order of the ^oard of Governors, December 21, 1979.

( signed) Theodore E. Allison
[SEAL]

Theodore E. Allison
Secretary of the 'toard

MINOR IRREGULARITIES PROVISIONS FOR APR COMPUTATIONS

No matter what the unit-period is
For a terra of the transaction of . .
The first period may be treated as
regular even though It differs from
regular by up to this many days:

Up to 1 year

6 shorter
13 longer

1-10 years

Over 10 years

11 shorter
21 longer

any number shorter
32 longer

AND
Any payment Irregularity that results from the first period Irregularity may be disregarded