040 Cataloging Source

Field definition and scope:

Field 040 contains the MARC code or the name of the organization(s) that created the original authority record, assigned MARC content designation and transcribed the record into machine-readable form, or modified an existing MARC record. The MARC codes in field 040 and the code in 008/39 (Cataloging source) specify the responsible parties for the content, content designation, and transcription of an authority record. See Appendix G for a listing of organization code sources used in MARC 21 records.

The National level record requirement for this field is Mandatory.

Field 040 is NOT 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:

Position	Description	NLR	Repeatability
Field 040	Cataloging Source	M	NR
Indicator:
First	Undefined; contains a blank	M
Second	Undefined; contains a blank	M

Subfield code:
$a	Original cataloging agency	M	NR
$b	Language of cataloging	O	NR
$c	Transcribing agency	M	NR
$d	Modifying agency	A	R
$e	Description conventions	A	R
$f	Subject heading or thesaurus conventions	A	NR
$6	Linkage	A	NR
$8	Field link and sequence number	O	R

Input conventions:

Canadian organizations

Content designator history:

Subfield $e - Description conventions [changed, 2010]: In 2010, subfield $e was made repeatable.

LC Guidelines:

040 Cataloging Source

DCM Z1 Instructions:

040 Cataloging Source