043 Geographic Area Code (NR) (Variable Data Field)
Field 043 contains MARC geographic area codes (GAC) for geographic areas associated with the 1XX heading in an established heading record or a subdivision record . A more precise identification of geographic areas associated with a geographic name heading may be contained in field 052 (Geographic Classification) .
The source of the codes in subfield $a is MARC Code List for Geographic Areas that is maintained by the Library of Congress. The source of a local code in subfield $b is indicated in subfield $2.
The National level record requirement for this field is Optional.
Field 043 is NOT 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 043 | Geographic Area Code |
O |
NR |
| Indicator: | |||
| First | Undefined; contains a blank |
M |
|
| Second | Undefined; contains a blank |
M |
|
| Subfield code: | |||
| $a | Geographic area code |
M |
R |
| $b | Local GAC code |
O |
R |
| $2 | Source of local code |
O |
R |
| $6 | Linkage |
A |
NR |
| $8 | Field link and sequence number |
O |
R |
Related MARC fields or documents:
MARC Code List for Geographic Areas
MARC Code Lists for Relators, Sources, Description Conventions
See also:
