656 Index Term - Occupation

Field definition and scope:

Field 656 contains an index term that is descriptive of the occupation (including avocation) reflected in the contents of the described materials.

It is not used to list the occupations of the creators of the described materials, unless those occupations are significantly reflected in the materials themselves or bear some relationship to the materials. Standard published lists are used for the occupational terms and the list is identified in subfield $2 (Source of term).

The National level record requirement for this field is Optional.

Field 656 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 repeatability, see table below:

Position	Description	NLR	MLR	Repeatability
Field 656	Index Term - Occupation	O	O	R
Indicator:
First	Undefined; contains a blank	M

Second	Source of term	M
7	Source specified in subfield $2	A

Subfield code:
$a	Occupation	M	O	NR
$k	Form	A	O	NR
$v	Form subdivision	A	O	R
$x	General subdivision	A	O	R
$y	Chronological subdivision	A	O	R
$z	Geographic subdivision	A	O	R
$0	Authority record control number or standard number	O	O	R
$1	Real World Object URI			R
$2	Source of term	M	O	NR
$3	Materials specified	O	O	NR
$6	Linkage	A	O	NR
$8	Field link and sequence number	O	O	R

Input conventions:

Punctuation

Spacing

Display constant

Content designator history:

Subfield $0 - Authority record control number [new, 2007]

Subfield $0 - Authority record control number [redefined, 2010]

Subfield $1 - Real World Object URI [new, 2017]