Field definition and scope:

Field 024 contains a standard number or code associated with the entity named in the 1XX field which cannot be accommodated in another field (i.e., field 020 (International Standard Book Number), field 022 (International Standard Serial Number)).  The source of the standard number or code is identified in subfield $2 (Source of number or code).  The subfields for this field are defined for consistency with field 024 in MARC 21 Format for Bibliographic Data.

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) record requirements, and designator repeatability, see table below:

Position

Description

NLR

Repeatability

Field 024

Other Standard Identifier

A

R

Indicator:

 

 

 

First

Type of standard number or code

M

 

7

Source specified in subfield $2

A

 

8

Unspecified type of standard number or code

A

 

 

 

 

 

Second

Undefined; contains a blank

M

 

 

 

 

 

Subfield code:

 

 

 

$a

Standard number or code

A

NR

$c

Terms of availability

O

NR

$d

Additional codes following the standard number or code

O

NR

$q

Qualifying information

 

R

$z

Canceled/invalid standard number or code

A

R

$2

Source of number or code

A

NR

$6

Linkage

A

NR

$8

Field link and sequence number

O

R

 

See:  Examples for this field.

Input conventions:

Structure of the Other Standard Identifiers

Content designator history:

Subfield $q - Qualifying information  [new, 2013]

LC Guidelines:

 024  Other Standard Identifier

DCM Z1 Instructions:

 024  Other Standard Identifier

Related MARC fields or documents:

RDA in MARC Authority Data

MARC 21 Format for Bibliographic Data:

024  Other Standard Identifier

Source Codes for Vocabularies, Rules, and Schemes:

Standard Identifier Source Codes

See also:

0XX  Numbers and Codes

Variable Data Fields