024 Other Standard Identifier

024 Other Standard Identifier (R) (Variable Data Field)

Field definition and scope:

Field 024 contains a standard number or code published on an item which cannot be accommodated in another field (e.g., field 020 (International Standard Book Number), field 022 (International Standard Serial Number), field 027 (Standard Technical Report Number), etc.). The type of standard number or code is identified in the first indicator position or in subfield $2 (Source of number or code).

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

Field 024 is repeatable .

Guidelines for applying content designators:

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

Position	Description	NLR	MLR	Repeatability
Field 024	Other Standard Identifier	A	A	R
Indicator:
First	Type of standard number or code	M
0	International Standard Recording Code	A
1	Universal Product Code	A
2	International Standard Music Number	A
3	International Article Number	A
4	Serial Item and Contribution Identifier	A
7	Source specified in subfield $2	A
8	Unspecified type of standard number or code	A

Second	Difference indicator	M
#	No information provided	A
0	No difference	A
1	Difference	A

Subfield code:
$a	Standard number or code	M	M	NR
$c	Terms of availability	A	A	NR
$d	Additional codes following the standard number or code	A	A	NR
$z	Canceled/invalid standard number or code	A	A	R
$2	Source of number or code	A	A	NR
$6	Linkage	A	A	NR
$8	Field link and sequence number	O	O	R

Input conventions:

Punctuation

ISRC structure and Display constants

UPC structure and Display constants

ISMN structure and Display constants

EAN structure and Display constants

SICI structure and Display constants

Content designator history:

Second Indicator - Difference Indicator [defined]: In 1993, the second indicator was given its present definition. Records created prior to this change may contain a code # (blank) meaning undefined.

Subfield $b - Additional codes following the standard number [obsolete]: Prior to 1984, this data element was identified by subfield $b; currently subfield $d is used.

Related MARC fields or documents:

880 Alternate Graphic Representation

Codes for the Representation of Names of Countries (ISO 3166)

MARC Code List for Relators, Sources, Description Conventions

See also:

0XX Numbers and Codes

Variable Data Fields