| First Indicator | Second Indicator |
|---|---|
| Undefined # - Undefined |
Source of term 7 - Source specified in subfield $2 |
| Subfield Codes | |
|---|---|
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Index term that describes the activity or function that generated the described materials.
Standard published lists are used for the function terms and the list is identified in subfield $2 (Source of term).
First Indicator - Undefined
Undefined and contains a blank (#).
Second Indicator - Source of term
Contains value 7 which indicates that the source of the index term is contained in subfield $2.
$a - Function
Term specifying the function or activity which generated the materials.
| 657 | #7$aPersonnel benefits management$xIndustrial accidents$xMorbidity$xVital statistics$zLove Canal, New York.$2New York State Management Functions Index | ||||||||
$v - Form subdivision
Form subdivision that designates a specific kind or genre of material as defined by the thesaurus being used. Subfield $v is appropriate only when a form subject subdivision is added to an index term.
$x - General subdivision
Subject subdivision that is not more appropriately contained in subfield $v (Form subdivision), subfield $y (Chronological subdivision), or subfield $z (Geographic subdivision). Subfield $x is appropriate only when a general topical subdivision is added to a term.
$y - Chronological subdivision
Subject subdivision that represents a period of time. Subfield $y is appropriate only when a chronological subject subdivision is added to a term.
$z - Geographic subdivision
Geographic subject subdivision. Subfield $z is appropriate only when a geographic subject subdivision is added to a term.
$0 - Authority record control number or standard number
See description of this subfield in Appendix A: Control Subfields.
$1 - Real World Object URI
See description of this subfield in Appendix A: Control Subfields.
$2 - Source of term
MARC code that identifies the source list from which the index term was assigned. It is used only when the second indicator position contains value 7 (Source specified in subfield $2). Code from: Function Term Source Codes.
$3 - Materials specified
Part of the described materials to which the field applies.
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.
Punctuation - Subfield preceding subfield $2 in field 657 ends with a mark of punctuation or a closing parenthesis. An index term followed by a subject subdivision does not end with a mark of punctuation unless the preceding term ends with an abbreviation, initial/letter, open date, or other data that end with a mark of punctuation.
Spacing - No spaces are used in initialisms, acronyms, or abbreviations.
Display Constant
| - | [dash associated with the content of subfield $v, $x, $y, and $z] |
Dash (-) that precedes a subdivision in an extended subject heading is not carried in the MARC record. It may be system generated as a display constant associated with the content of subfield $v, $x, $y, and $z.
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Content designated field :
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| 657 | #7$aAnnual inventory$xLadies' apparel.$2 [thesaurus code] | ||||||||
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Display example: Annual inventory-Ladies' apparel.
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