022 International Standard Serial Number

Field definition and scope:

Field 022 contains the International Standard Serial Number (ISSN) copied from subfield $a of field 022 (International Standard Serial Number) of the MARC bibliographic record that represents the description of the item for which a separate holdings record is created. It may also contain any incorrect or canceled ISSN from subfield $y or $z of field 022 in the bibliographic record.

Additional examples of the use of field 022 are given in field 022 (International Standard Serial Number) in the MARC 21 Format for Bibliographic Data.

The ISSN is an agency-assigned data element. ISSNs are assigned to serial publications by national centers under the auspices of the ISSN Network.

Field 022 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, and designator repeatability, see table below:

Position	Description	Repeatability
Field 022	International Standard Serial Number	R
Indicator:
First	Level of international interest
#	No level specified
0	Continuing resource of international interest
1	Continuing resource not of international interest

Second	Undefined; contains a blank

Subfield code:
$a	International Standard Serial Number	NR
$l	ISSN-L	NR
$m	Canceled ISSN-L	R
$y	Incorrect ISSN	R
$z	Canceled ISSN	R
$6	Linkage	NR
$8	Field link and sequence number	R

Input conventions:

ISSN structure

Punctuation

Display constants

Embedded holdings information

Content designator history:

Subfield $l - ISSN-L [new, 2007]

Subfield $m - Canceled ISSN-L [new, 2007]