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Office of the Comptroller of the Currency
Federal Deposit Insurance Corporation
Board of Governors of the Federal Reserve System
Office of Thrift Supervision

INTERAGENCY ADVISORY ON MORTGAGE BANKING

Background and Purpose
The purpose of this advisory letter is to highlight concerns and provide guidance regarding
mortgage-banking activities, primarily in the valuation and hedging of mortgage-servicing assets
(MSAs). While the number of institutions with significant exposure to mortgage-banking assets
is limited, mortgage banking is a growing business line for many institutions. Mortgage
production volume increased significantly over the past two years as interest rates fell to record
lows and refinancing activity reached an all-time high. Many borrowers have been attracted to
new lending products by innovative, low-cost lending programs, widespread use of automated
underwriting, and increased competition among banks, thrifts, and other financial institutions.
This high volume of mortgage activity exposes institutions to a number of risks. This guidance
focuses on risks associated with valuation and modeling processes, hedging activities,
management information systems, and internal audit processes in connection with mortgage
banking.1
Servicing is inherent in all financial assets; it becomes a distinct asset or liability only when
contractually separated from the underlying financial assets by sale or securitization of the assets
with servicing retained or by a separate purchase or assumption of the servicing. To help
manage the interest rate, liquidity, and credit risks inherent in mortgages, many institutions sell
these loans into the secondary market (e.g., to the Federal National Mortgage Association,
Federal Home Loan Mortgage Corporation, the Federal Home Loan Banks, and private sector
issuers and investors). In such mortgage loan sales, institutions often retain the servicing and
recognize MSAs, which are complex and volatile assets subject to interest rate risk. MSAs can
become impaired when interest rates fall and borrowers refinance or prepay their mortgage loans.
This impairment can lead to earnings volatility and erosion of capital, if the risks inherent in the
MSAs have not been properly hedged.
Institutions are expected to follow Financial Accounting Standards Board Statement No. 140,
“Accounting for Transfers and Servicing of Financial Assets and Extinguishments of Liabilities”

1

Mortgage banking activities also present a range of other issues, including credit underwriting and compliance
risks, that are not covered by this advisory.

Date:

February 25, 2003

Page 1

(FAS 140), when accounting for MSAs. In summary, FAS 140 requires the following
accounting treatment for servicing assets (including MSAs):2
•

Initially record servicing assets at fair value, presumably the price paid if purchased, or at
their allocated carrying amount based on relative fair values if retained in a sale or
securitization;3

•

Amortize servicing assets in proportion to, and over the period of, estimated net servicing
income; and

•

Stratify servicing assets based on one or more of the predominant risk characteristics of the
underlying financial assets, assess the strata for impairment based on fair value, and report
them on the balance sheet at the lower of unamortized cost or fair value through the use of
valuation allowances.

Fair value is defined in FAS 140 as the amount at which an asset could be bought or sold in a
current transaction between willing parties, that is, other than in a forced or liquidation sale.
Quoted market prices in active markets for similar assets provide the best evidence of fair value
and must be used as the basis for the measurement, if available. If quoted market prices are not
available, the estimate of fair value must be based on the best information available. The
estimate of fair value must consider prices for similar assets and the results of valuation
techniques to the extent available.

Examination Concerns
The banking agencies expect institutions involved in mortgage-servicing operations to use
market-based assumptions that are reasonable and supportable in estimating the fair value of
servicing assets. Although consolidation in the mortgage-servicing industry has reduced the
number of MSA purchase and sale transactions, a significant volume of MSAs continue to be
traded, which can provide an indication of comparable fair value for similar assets. Specifically,
bulk, flow, and daily MSA/loan pricing activities observed in the market should be evaluated to
ensure that an institution’s MSA valuation assumptions are reasonable and consistent with
market activity for similar assets. Many financial institutions also use models to estimate the fair
value of their MSAs and substantiate their modeled estimate of MSA fair value by comparing the
model output to general or high-level peer surveys. Such a comparison, however, is often
2

Further guidance on the accounting for servicing assets and liabilities can be found in the instructions for the
Reports of Condition and Income (Call Report) and Thrift Financial Report (TFR); FAS 140 FASB Staff
Implementation Guide; AICPA Statement on Auditing Standards 101, “Auditing Fair Value Measurements and
Disclosures”; and the Office of the Comptroller of the Currency's Bank Accounting Advisory Series.

3

FAS 140 indicates: “Typically, the benefits of servicing are expected to be more than adequate compensation to a
servicer for performing the servicing, and the contract results in a servicing asset. However, if the benefits of
servicing are not expected to adequately compensate a servicer for performing the servicing, the contract results in a
servicing liability.”

Date:

February 25, 2003

Page 2

performed without adequate consideration of the specific attributes of the institution’s own
MSAs. The following concerns have been noted in recent examinations of mortgage-banking
activities; examiners should consider these items as an indication that additional scrutiny is
necessary:
•

The use of unsupported prepayment speeds, discount rates, and other assumptions in MSA
valuation models. Assumptions are unsupported when they are not benchmarked to market
participants’ assumptions and the institution’s actual portfolio performance across each
product type.

•

Questionable, inappropriate, or unsupported items in the valuation models. Examples
include retention benefits,4 deferred tax benefits, captive reinsurance premiums, and income
from cross-selling activities. The inclusion of these items in the MSA valuation must be
appropriate under generally accepted accounting principles (GAAP) and must also be
consistent with what a willing buyer would pay for the mortgage-servicing contract. For
example, when the inclusion of retention benefits as part of the MSA valuation is not
adequately supported with market data, such inclusion will result in an overstatement of
reported mortgage-servicing assets, and therefore will be deemed an unsafe and unsound
practice.

•

Disregard of comparable market data coupled with over-reliance on peer group surveys as a
means of supporting assumptions and the fair value of MSAs. Management may use survey
data for comparative purposes; however, it is not a measure of or substitute for fair value.

•

Frequent changing of assumptions from period to period with no compelling reason for the
change, and undocumented policies and procedures relating to the MSA valuation process
and oversight of that process.

•

Inconsistencies in MSA valuation assumptions used in valuation, bidding, pricing, and
hedging activities as well as, where relevant, in mortgage-related activities in other aspects of
an institution’s business.

•

Poor segregation of duties from an organizational perspective between the valuation,
hedging, and accounting functions.

•

Failure to properly stratify MSAs for impairment testing purposes. FAS 140 requires MSAs
to be stratified based on one or more of the predominant risk characteristics of the underlying
mortgage loans. Such characteristics may include financial asset type, size, interest rate,
origination date, term, and geographic location. Institutions are expected to identify a
sufficient number of risk characteristics to adequately stratify each MSA and provide for a
reasonable and valid impairment assessment. Stratification practices that ignore predominant
risk characteristics are a supervisory concern.

4

Retention benefits arise from the portion of the serviced portfolio that is expected to be refinanced with the
institution in the future.

Date:

February 25, 2003

Page 3

•

Inadequate amortization of the remaining cost basis of MSAs, particularly during periods of
high prepayments. Inadequate amortization often occurs because prepayment models are not
adequately calibrated to periods of high prepayments. When these models underestimate
runoff, the amount and period of estimated net servicing income are overstated.

•

Continued use of a valuation allowance for the impairment of a stratum of MSAs when
repayment of the underlying loans at a rate faster than originally projected indicates the
existence of an impairment for which a direct write-down should be recorded.

•

Failure to assess actual cash flow performance. The actual cash flows received from the
serviced portfolio must be established in order to determine the benefit of MSAs to the
institution.

•

Failure to validate or update models for new information. Inaccuracies in valuation models
can result in erroneous MSA values and affect future hedging performance. Models should
be inventoried and periodically revalidated, including an independent assessment of all key
assumptions.

Risk Management Activities
The banking agencies expect institutions to perform mortgage-banking operations in a safe and
sound manner. Management should ensure that detailed policies and procedures are in place to
monitor and control mortgage-banking activities, including loan production, pipeline (unclosed
loans) and warehouse (closed loans) administration, secondary market transactions, servicing
operations, and management (including hedging) of mortgage-servicing assets. Reports and
limits should focus on key risks, profitability, and proper accounting practices.
MSAs possess interest rate-related option characteristics that may weaken an institution's
earnings and capital strength when interest rates change. Accordingly, institutions engaged in
mortgage-banking activities should fully comply with all aspects of their primary federal
regulator’s policy on interest rate risk.5 In addition, institutions with significant mortgagebanking operations or mortgage-servicing assets should incorporate these activities into their
critical planning processes and risk management oversight. The planning process should include
careful consideration of how the mortgage banking activities affect the institution’s overall
strategic, business, and asset/liability plans. Risk management considerations include the
potential exposure of both earnings and capital to changes in the value and performance of
mortgage banking assets under expected and stressed market conditions. Furthermore, an
institution’s board of directors should establish limits on investments in mortgage banking assets
and evaluate and monitor such investment concentrations (on the basis of both asset and capital
levels) on a regular basis.
5

For national banks, state member banks, and insured state nonmember banks, refer to the Joint Agency Policy
Statement on Interest Rate Risk, 61 Fed. Reg. 33166, June 26, 1996. For savings associations, see Thrift Bulletin
13a, “Management of Interest Rate Risk, Investment Securities, and Derivatives Activities,” December 4, 1998.

Date:

February 25, 2003

Page 4

During examinations of mortgage banking activities, examiners should review mortgage banking
policies, procedures and management information systems to ensure that the directors, managers,
and auditors are adequately addressing the following matters:

Valuation And Modeling Processes
•

Comprehensive documentation standards for all aspects of mortgage banking, including
mortgage-servicing assets. In particular, management should substantiate and validate the
initial carrying amounts assigned to each pool of MSAs and the underlying assumptions, as
well as the results of periodic reviews of each asset’s subsequent carrying amount and fair
value. The validation process should compare actual performance to predicted performance.
Management should ensure proper accounting treatment for MSAs on a continuing basis.

•

MSA impairment analyses that use reasonable and supportable assumptions. Analyses
should employ realistic estimates of adequate compensation,6 future revenues, prepayment
speeds, market servicing costs, mortgage default rates, and discount rates. Fair values should
be based upon market prices and underlying valuation assumptions for transactions in the
marketplace involving similar MSAs. Management should avoid relying solely upon peer
group surveys or the use of unsupportable assumptions. The agencies encourage institutions
to obtain periodic third-party valuations by qualified market professionals to support the fair
values of their MSAs and to update internal models.

•

Comparison of assumptions used in valuation models to the institution’s actual experience in
order to substantiate the value of MSAs. Management should measure the actual
performance of MSAs by analyzing gross monthly cash flows of servicing assets relative to
the assumptions and projections used in each quarterly valuation. In addition, a comparison
of the first month’s actual cash received on new MSAs to the projected gross cash flows can
help validate the reasonableness of initial MSA values prior to the impact of prepayments
and discount rates. “Economic value” analysis is a critical tool in understanding the
profitability of mortgage-servicing to an institution; however, it is not a substitute for the
estimation of the fair value of MSAs under GAAP.

•

Review and approval of results and assumptions by management. Given the sensitivity of
the MSA valuation to changes in assumptions and valuation policy, any such changes should
be reviewed and approved by management and, where appropriate, by the board of directors.

•

Comparison of models used throughout the company including valuation, hedging, pricing,
and bulk acquisition. Companies often use multiple models and assumption sets in

6

As defined in FAS 140, “adequate compensation” is “the amount of benefits of servicing [i.e., revenues from
contractually specified servicing fees, late charges, and other ancillary sources] that would fairly compensate a
substitute servicer should one be required, which includes the profit that would be demanded in the marketplace.”

Date:

February 25, 2003

Page 5

determining the values for MSAs depending on their purpose (pricing versus valuation). Any
inconsistencies between these values should be identified, supported, and reconciled.
•

Appropriate amortization practices. Amortization of the remaining cost basis of MSAs
should reflect actual prepayment experience. Amortization speeds should correspond to and
be adjusted to reflect changes in the estimated remaining net servicing income period.

•

Timely recognition of impairment. Institutions must evaluate MSAs for impairment at least
quarterly to ensure amounts reported in the Call Report7 or TFR8 are accurately stated.
Institutions will generally be expected to record a direct write-down of MSAs when, and for
the amount by which, any portion of the unamortized cost of a mortgage-servicing asset is
not likely to be recovered in the future.

Mortgage Banking Hedging Activities
•

Systems to measure and control interest rate risk. Hedging activities should be well
developed and communicated to responsible personnel. Successful hedging systems will
mitigate the impact of prepayments on MSA values and the effects of interest rate risk in the
mortgage pipeline and warehouse.

•

Approved hedging products and strategies. Management should ensure appropriate systems
and internal controls are in place to oversee hedging activities, including monitoring the
effectiveness of hedging strategies and reviewing concentrations of hedge instruments and
counterparties.

•

Hedge accounting policies and procedures. Institutions should ensure their hedge accounting
methods are adequately documented and consistent with GAAP.

Management Information Systems

Date:

•

Accurate financial reporting systems, controls, and limits. At a minimum, the board should
receive information on hedged and unhedged positions, mark-to-market analyses, warehouse
aging, valuation of MSAs, various rate shock scenario and risk exposures, creation of
economic value, and policy exceptions whenever material exposure to MSAs exists.

•

Systems that track quality control exceptions. With many institutions processing record
volumes of mortgages, transaction risk has increased. Quality control reports should be
analyzed to determine credit quality, loan characteristics and demographics, trends, and
sources of problems. Sound quality control programs are also beneficial in the early

7

Schedule RC-M - Memoranda, Item 2.a.

8

Schedule SC - Line SC642.

February 25, 2003

Page 6

detection of deteriorating production quality and salability, as well as in the prevention and
detection of fraudulent activities.
•

Systems that track and collect required mortgage loan documents. As a seller in the
secondary market, it is important for institutions to ensure that their mortgage products are
salable and comply with investor requirements. Management should ensure adequate control
processes are in place for both front-end-closing and post-closing loan documents. If
mortgages are not properly documented, an institution may be forced to hold unsold
mortgages for extended periods or repurchase mortgages that have been sold. Further,
management should ensure that adequate analyses are performed and allowances are
established for estimated probable losses arising from documentation deficiencies on closed
loans.

•

Systems that monitor and manage the risks associated with third-party originated loans.
Institutions often originate loans through broker and correspondent channels. Management
should ensure prudent risk management systems are in place for broker and correspondent
approvals and ongoing monitoring, including controls on the appraisal and credit
underwriting process of third-party originated loans. Adequate due diligence of third-party
relationships is necessary to help prevent the origination of loans that are of poor credit
quality or are fraudulent. Delegated underwriting to brokers or correspondents warrants
close supervision from senior management.

Internal Audit
•

Adequate internal audit coverage. Because of the variety of risks inherent in mortgagebanking activities, internal auditors should evaluate the risks of and controls over their
institution's mortgage banking operations. They should report audit findings, including
identified control weaknesses, directly to the audit committee of the board or to the board
itself. Board and management should ensure that internal audit staff possesses the necessary
qualifications and expertise to review mortgage-banking activities or obtain assistance from
qualified external sources.

Summary
In supervising mortgage-banking operations, the primary objective of the banking agencies is to
ensure that institutions implement satisfactory policies, procedures, and controls addressing the
risks inherent in mortgage-banking activities. Institutions with significant exposures to
mortgage-related assets, especially MSAs, should expect greater scrutiny of their mortgagerelated activities during examinations. The banking agencies may also require additional capital
for institutions that fail to exercise the sound practices set forth in this advisory.

Date:

February 25, 2003

Page 7