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F E D E R A L R E S E R V E BANK
O F N E W YORK
r Circular No. 7 2 4 2 ~I
U October 2, 1973
J

MINIMUM STANDARDS FOR BANK SECURITY DEVICES
Revised Appendix A to Regulation P

To All State Hem'ber Banks, and Others Concerned,
in the Second Federal Reserve District:
The following statement was issued October 1 by the Board o f Governors o f the
Federal Reserve System :
The Board of Governors o f the Federal Reserve System today announced revisions of its
Regulation P to strengthen implementation of the Bank Protection Act.
The revisions, effective November 1, 1973, are largely technical and clarify minimum standards
to be met by State member banks regarding the installation, maintenance and operation of security
devices, with the double aim of discouraging crimes against financial institutions and assisting
the apprehension of perpetrators of such crimes. They include a definition of requirements for
vaults as distinguished from safes, protection standards for cash dispensing machines and a
clarification of the rules that safe deposit boxes be stored in an approved vault or safe.
Under Regulation P, if a bank decides not to install, maintain or operate devices to meet the
minimum standards for bank security, as defined in Appendix A of the Regulation, it is required
to forward to the Reserve Bank in its district a statement of reasons for its decision.
The revisions are similar to the regulatory change proposed for comment by the Federal
Reserve, the Comptroller of the Currency, the Federal Deposit Insurance Corporation and the
Federal Home Loan Bank Board last January. Since then, the four regulatory agencies, through
the Interagency Coordinating Committee, have considered public comment and have observed
demonstrations of security devices by industry representatives and the Federal Bureau of Investi­
gation. The Interagency Committee has unanimously approved the proposed revisions.

Enclosed is a copy o f Appendix A, “ Minimum Standards for Security Devices,”
Revised effective November 1, 1973, to Regulation P, which reflects the above changes.
Additional copies of the enclosure will be furnished upon request.




A lfred H a ye s,

President.

BOARD O F GOVERNORS OF THE FEDERAL RESERVE SYSTEM

APPENDIX A TO REGULATION P
Revised effective November 1, 1973

Minimum Standards for Security Devices
In order to assure realization of maximum
performance capabilities, all security devices
utilized by a bank should be regularly in­
spected, tested, and serviced by competent
persons. Actuating devices for surveillance
systems and robbery alarms should be oper­
able with the least risk of detection by un­
authorized persons that can be practicably
achieved.
(1)
Surveillance systems, (i) General. Sur­
veillance systems should be:
(A ) equipped with one or more photo­
graphic, recording, monitoring, or like de­
vices capable of reproducing images of per­
sons in the banking office with sufficient
clarity to facilitate (through photographs
capable of being enlarged to produce a oneinch vertical head-size of persons whose images
have been reproduced) the identification and
apprehension of robbers or other suspicious
persons;
(B) reasonably silent in operation; and
(C ) so designed and constructed that nec­
essary services, repairs or inspections can
readily be made.
Any camera used in such a system should
be capable of taking at, least one picture every
2 seconds and, if it uses film, should contain
enough unexposed film at all times to be capa­
ble of operating for not less than 3 minutes,
and the film should be at least 16mm.
(ii)
Installation and operation of surveil­
lance systems providing surveillance of other
than walk-up or drive-in teller’s stations or
windows. Surveillance devices for other than
walk-up or drive-in teller's stations or win­
dows should b e :
(A )
located so as to reproduce identifiable
images of persons either leaving the banking
office or in a position to transact business at
each such station or window; and




(B)
capable of actuation by initiating de­
vices located at each teller’s station or window.
(iii)
Installation and operation of surveil­
lance systems providing surveillance of walkup or drive-in teller’s stations or windows.
Surveillance devices for walk-up or drive-in
teller’s stations or windows should be located
in such a manner as to reproduce identifiable
images of persons in a position to transact
business at each such station or window and
areas of such station or window that are vul­
nerable to robbery or larceny. Such devices
should be capable of actuation by one or more
initiating devices located within or in close
proximity to such station or window. Such
devices may be omitted in the case of a walkup or drive-in teller’s station or window in
which the teller is effectively protected by a
bullet-resistant barrier from persons outside
the station or window. However, if the teller
is vulnerable to larceny or robbery by mem­
bers of the public who enter the banking office,
the teller should have access to a device to
actuate a surveillance system that covers the
area of vulnerability or the exits to the bank­
ing office.
(2)
Robbery and burglary alarm systems,
(i) Robbery alarm systems. A robbery alarm
system should be provided for each banking
office at which the police ordinarily can arrive
within 5 minutes after an alarm is actuated;
all other banking offices should be provided
with appropriate devices for promptly notify­
ing the police that a robbery has occurred or is
in progress. Robbery alarm systems should be :
(A ) designed to transmit to the police,
either directly or through an intermediary, a
signal (not detectable by unauthorized per­
sons) indicating that a crime against the
banking office has occurred or is in progress;
(B ) capable of actuation by initiating de­
vices located at each teller’s station or window

PRINTED IN NEW YORK

(except walk-up or drive-in teller’s stations
or windows in which the teller is effectively
protected by a bullet-resistant barrier and
effectively isolated from persons, other than
fellow employees, inside a banking office of
which such station or window may be a part) ;
(C ) safeguarded against accidental trans­
mission of an alarm;
(D ) equipped with a visual and audible
signal capable of indicating improper func­
tioning of or tampering with the system; and
(E ) equipped with an independent source
of power (such as a battery) sufficient to
assure continuously reliable operation of the
system for at least 24 hours in the event of
failure of the usual source of power.
(ii)
Burglary alarm systems. A burglary
alarm system should be provided for each
banking office. Burglary alarm systems should
be:
(A ) capable of detecting promptly an at­
tack on the outer door, walls, floor, or ceiling
of each vault, and each safe not stored in a
vault, in which currency, negotiable securities,
or similar valuables are stored when the office
is closed, and any attempt to move any such
safe;
(B ) designed to transmit to the police,
either directly or through an intermediary, a
signal indicating that any such attempt is in
progress; and for banking offices at which the
police ordinarily cannot arrive within 5 min­
utes after an alarm is actuated, designed to
actuate a loud sounding bell or other device
that is audible inside the banking office and
for a distance of approximately 500 feet out­
side the banking office;
(C ) safeguarded against accidental trans­
mission of an alarm;
(D ) equipped with a visual and audible
signal capable of indicating improper func­
tioning of or tampering with the system; and
(E ) equipped with an independent source
of power (such as a battery) sufficient to
assure continuously reliable operation of the
system for at least 80 hours in the event of
failure of the usual source of power.




(3) Walk-up and drive-in teller’s stations
or windows. Walk-up and drive-in teller’s
stations or windows contracted for after Feb­
ruary 15, 1969, should be constructed in such
a manner that tellers are effectively protected
by bullet-resistant barriers from robbery or
larceny by persons outside such stations or
windows. Such barriers should be of glass at
least 1%6 inches in thickness,1 or of material
of at least equivalent bullet-resistance. Pass­
through devices should be so designed and
constructed as not to afford a person outside
the station or window a direct line of fire at
a person inside the station.
(4) Vaults, safes, safe deposit boxes, night
depositories, and automated paying or receiv­
ing machines. Vaults, safes (if not to be
stored in a vault), safe deposit boxes, night
depositories, and automated paying or receiv­
ing machines, in any of which currency, nego­
tiable securities, or similar valuables are to be
stored when banking offices are closed, should
meet or exceed the standards expressed in this
section.
(i)
Vaults. A vault is defined as a room or
compartment that is designed for the storage
and safekeeping of valuables and which has a
size and shape which permits entrance and
movement within by one or more persons.
Other asset storage units which do not meet
this definition of a vault will be considered as
safes. Vaults contracted for after November
1, 1973,2 should have walls, floor, and ceiling
of reinforced concrete at least 12 inches in
thickness.3 The vault door should be made of

1 It should be emphasized that this thickness is merely
bullet-resistant and not bulletproof.
- Vaults contracted for previous to this date should be
constructed in conformance with all applicable specifications
then in effect.
3 The reinforced concrete should have: two grids of #5
(5ij" diameter) deformed steel bars located in horizontal and
vertical rows in each direction to form grids net more than
4 inches on center; or two grids of expanded steel bank
vault mesh placed parallel to the face of the walls, weighing
at least 6 pounds per square foot to each grid, having a
diamond pattern not more than 3" x 8"; or two grids of any
other fabricated steel placed parallel to the face of the
walls, weighing at least 6 pounds per square foot to each
grid and having an open area not exceeding 4 inches on
center. Grids are to be located not less than 6 inches apart
and staggered in each direction. The concrete should develop
an ultimate compression strength of at least 3,000 pounds
per square inch.

steel at least 3y 2 inches in thickness, or other
drill and torch resistant material, and be
equipped with a dial combination lock, a time
lock, and a substantial lockable day-gate.
Electrical conduits into the vault should not
exceed IV2 inches in diameter and should be
offset within the walls, floor, or ceiling at least
once so as not to form a direct path of entry.
A vault ventilator, if provided, should be de­
signed with consideration of safety to life
without significant reduction of the strength
of the vault wall to burglary attack. Alterna­
tively, vaults should be so designed and con­
structed as to afford at least equivalent bur­
glary resistance.4
(ii) Safes. Safes contracted for after Feb­
ruary 15, 1969, should weigh at least 750
pounds empty, or be securely anchored to the
premises where located. The body should
consist of steel, at least 1 inch in thickness,
either cast or fabricated, with an ultimate
tensile strength of 50,000 pounds per square*
inch and be fastened in a manner equal to a
continuous
inch penetration weld having
an ultimate tensile strength of 50,000 pounds
per square inch. The door should be made of
steel that is at least l 1/^ inch in thickness, and
at least equivalent in strength to that speci­
fied for the b od y ; and the door should be
equipped with a combination lock, or time
lock, and with a relocking device that will
effectively lock the door if the combination
lock or time lock is punched. One hole not ex­
ceeding V2 inch diameter may be provided in
the body to permit insertion of electrical con­
ductors, but should be located so as not to
permit a direct view of the door or locking
mechanism. Alternatively, safes should be
constructed of materials that will afford at
least equivalent burglary resistance.
(iii) Safe deposit boxes. Safe deposit boxes
used to safeguard customer valuables should

4 Equivalent burglary-resistant materials for vaults do not
include the use of a steel lining, either inside or outside
a vault wall, in lieu of the specified reinforcement and
thickness of concrete. Nonetheless, there may be instances,
particularly where the construction of a vault of the specified
reinforcement and thickness of concrete would require sub­
stantial structural modification of an existing building, where
compliance with the specified standards would be unreasonable
in cost. I 11 those instances, the bank should comply with the
procedure set forth in section 216.3(c) of Regulation P.




be enclosed in a vault or safe meeting at least
the
above-specified
minimum
protection
standards.
(iv) Night depositories. Night depositories
(excluding envelope drops not used to receive
substantial amounts of currency) contracted
for after February 15, 1969, should consist of
a receptacle chest having cast or welded steel
walls, top, and bottom, at least 1 inch in thick­
ness; a steel door at least IVo inches in thick­
ness, with a combination lock ; and a chute,
made of steel that is at least 1 inch in thick­
ness, securely bolted or welded to the recep­
tacle and to a depository entrance of strength
similar to the chute. Alternatively, night de­
positories should be so designed and construc­
ted as to afford at least equivalent burglary re­
sistance.5 Each depository entrance (other
than an envelope drop slot) should be equipped
with a lock. Night depositories should be
equipped with a burglar alarm and be de­
signed to protect against the “ fishing” of a
deposit from the deposit receptacle, and to
protect against the “ trapping” of a deposit
for extraction.
(v) Automated paying or receiving ma­
chines. Except as hereinafter provided, cash
dispensing machines (automated paying ma­
chines), including those machines which also
accept deposits (automated receiving ma­
chines) contracted for after November 1, 1973,
should weigh at least 750 pounds empty, or
be securely anchored to the premises where
located. Cash dispensing machines should
contain, among other features, a storage cliest
having cast or welded steel walls, top, and
bottom, at least one inch in thickness, with a
tensile strength of at least 50,000 pounds per
square inch. Any doors should be constructed
of steel at least equivalent in strength to the
storage chest and be equipped with a com­
bination lock and with a relocking device that
will effectively lock the door if the combina­
tion lock is punched. The housing covering
the cash dispensing opening in the storage
chest and the housing covering the mechanism
for removing the cash from the storage chest,
5 Equivalent burglary-resistant materials for night deposi­
tories include the use of one-fourth inch steel plate encased in
6 inches or more of concrete or masonry building wall.

should be so designed as to provide burglary
resistance at least equivalent to the storage
chest and should also be designed to protect
against the ‘ ‘ fishing ’ ’ of cash from the storage
chest. The cash dispensing control and deliv­
ering mechanism (and, when applicable, cash
deposit receipt mechanism) should be pro­
tected by steel, at least 1/2 inch in thickness,
securely attached to the storage chest. A cash
dispensing machine which also receives depos­
its should have a receptacle chest having the
same burglary resistant characteristics as that
of a cash dispensing storage chest and should
be designed to protect against the fishing and
trapping of deposits. Necessary ventilation
for the automated machines should be designed
so as to avoid significantly reducing the bur­
glary resistance of the machines. The cash
dispensing machine should also be designed so




as to be protected against actuation by un­
authorized persons, should be protected by a
burglar alarm, and should be located in a
well-lighted area. Alternatively, cash dispens­
ing machines should be so designed and con­
structed as to afford at least equivalent bur­
glary resistance.6 A cash dispensing machine
which is used inside a bank’s premises only
during bank business hours, and which is
empty of currency and coin at all other times,
should at least provide safeguards against
“ jimmying,” unauthorized opening of the
storage chest door, and against actuation by
unauthorized persons.
0 Equivalent burglary-resistant materials for cash dispens­
ing machines include the use of
inch thick nickel stainless
steel meeting American Society of Testing Materials (ASTM)
Designation A 167-70, Type 304, in place of 1 inch thick
steel, if other criteria are satisfied.