016  National Bibliographic Agency Control Number (R)  (Variable Data Field)

Field definition and scope:

Field 016 contains 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 a national bibliographic agency record may move the national bibliographic agency control number from field 001 to field 016 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 heading.

The National level record requirement for this field is Mandatory if applicable.

Field 016 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, National level (NLR) record requirements, and designator repeatability, see table below:

Structure:

LAC Control Number Structure (Canada)

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 authority record control number) and $z (Canceled/invalid NLC authority record control number).

First Indicator - National bibliographic agency

Value # - Library and Archives Canada  [renamed, 2004]:  The first indicator value # (National Library of Canada) was renamed Library and Archives Canada to reflect change in the institution's name.

LC Guidelines:

 016  National Bibliographic Agency Control Number

DCM Z1 Instructions:

 016  National Bibliographic Agency Control Number

Related MARC fields or documents:

001  Control Number

MARC Code List for Organizations

See also:

0XX  Numbers and Codes

Variable Data Fields