506 - Restrictions on Access Note (R)
MARC 21 Bibliographic - Concise
2007
Information about restrictions imposed on access to the described materials.
Indicators
First - Restriction
# - No information provided
0 - No restrictions
1 - Restrictions apply
Second - Undefined
# - Undefined
Subfield Codes
$a - Terms governing access (NR)
Legal, physical, or procedural restrictions imposed on individuals wishing to
see the described materials.
$b - Jurisdiction (R)
Name of a person, an institution, or a position or function within the
institution, by whom or which the terms governing access are imposed and/or
enforced, and to whom the restriction may be appealed.
$c - Physical access provisions (R)
Arrangements required for physical access.
$d - Authorized users (R)
Class of users or specific individuals (by name or title) to whom the
restrictions in subfield $a do not apply.
$e - Authorization (R)
Source of authority for the restriction.
$f - Standardized terminology for access restriction (R)
Data taken from a standardized list of terms indicating the level or type of
restriction.
$u - Uniform Resource Identifier (R)
Uniform Resource Identifier (URI), for example a URL or URN, which provides
electronic access data in a standard syntax. The data that is accessed by the URI contains additional
information about access restrictions.
$2 - Source of term (NR)
MARC code that identifies the source of the term used to record the restriction
in subfield $f. If terms from different sources are needed, separate fields should be
used. Code from:
Access Restriction Term Source Codes.
$3 - Materials specified (NR)
$5 - Institution to which field applies (NR)
$8 - Field link and sequence number (R)
Examples
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0#$aAccess copy available to the general public.$fUnrestricted$2star$5MH
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##$aClassified.
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##$aFor official use only.
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1#$3Office files of Under Secretary$aNo one may examine these records or obtain information
from them or copies of them except by written permission;$bSecretary of the Treasury or his duly authorized
representative;$cKept in remote storage; access requires 24 hours
advance notice.
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##$aRestricted access;$cWritten permission required;$bDonor.
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1#$aRestricted: cannot be viewed until 2010;$dMembers of donor's family.
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##$aClassified under national security provisions;$bDepartment of Defense;$eTitle 50, chapter 401, U.S.C.
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0#$aAccess copy available to the general public.$fUnrestricted$2star$5MH
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##$fUnrestricted online access$2star
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##$3Use copy$aAccess available to account holders only.$fOnline access with authorization$2star
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##$3Use copy$aIn copyright material. Searches will return text snippets only.$fPreview only$2star
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##$aClosed until January 1, 2068.$fNo online access$2star
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##$3Master copy$fNo online access$2star
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##$aSome restrictions apply. Consult restricted access
file for restriction details:$u[URI]
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| 506 |
1#$aAccess restricted to users with a valid Harvard ID.$fLicense$2star$5MH
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