016 - National Bibliographic Agency Control Number (R)
MARC 21 Community Information - Full
October 2004
First Indicator
National bibliographic agency
# - Library and Archives Canada
7 - Source specified in subfield $2
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Second Indicator
Undefined
# - Undefined
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Subfield Codes
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$a - Record control number (NR)
$z - Canceled or invalid control number (R)
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$2 - Source (NR)
$8 - Field link and sequence number (R)
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FIELD DEFINITION AND SCOPE
Unique numbers that have been assigned to a record by a national bibliographic agency
other than the Library of Congress.
Library of Congress control numbers are recorded in field 010. The control number may
also appear in field 001 (Control Number) in records distributed by the same national
agency. An organization using the record may remove the national bibliographic agency
control number from field 001 and use field 001 for its own system control number.
A record may contain field 016 with a canceled or invalid control number of a
previously-distributed record. A record may be canceled because it is a duplicate record
for the same item.
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
■ INDICATORS
First Indicator - National bibliographic agency Value that either identifies a specific national bibliographic agency as the
source of the control number, or refers to a code in subfield $2
(Source).
# - Library and Archives Canada Library and Archives Canada (LAC) is the source of the national bibliographic
agency control number.
7 - Source specified in subfield $2 Source of the control number is indicated by a code in subfield
$2.
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| 016 |
7#$a3945683$2[MARC code for agency]
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Second Indicator - Undefined Undefined and contains a blank (#).
■ SUBFIELD CODES
$a - Record control number Valid record control number assigned by a national bibliographic agency.
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| 016 |
7#$aLIS0003947$2[MARC code for agency]
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$z - Canceled or invalid control number Canceled or invalid control number assigned by a national bibliographic
agency.
$2 - Source MARC code or the name of the organization that identifies the national
bibliographic agency that was the source of the record control number recorded in
field 016. See
Organization Code Sources for a listing of organization code sources used in MARC 21 records.
Used only when the second indicator position contains value 7 (Source specified in
subfield $2).
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| 016 |
7#$a3296UL$z3948643a$2[MARC code for agency]
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$8 - Field link and sequence number
CONTENT DESIGNATOR HISTORY
Field 016 - National Library of Canada Record Control Number [REDEFINED, 1997] [CAN/MARC only]
Both indicator positions were undefined. The defined subfield codes were
$a (NLC record control number) and $z (Canceled/invalid NLC
control number).