Field definition and scope:

Field 043 contains geographic area codes (GAC) associated with the bibliographic aspect of the classification number and caption in field 153 (Classification Number).  The source of the code 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 source of codes in subfield $c is ISO 3166, Codes for the representation of names of countries and their subdivisions - Part 1: Country codes or Part 2: Country subdivision codes.

Field 043 is NOT repeatable.

Guidelines for applying content designators:

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

Position

Description

Repeatability

Field 043

Geographic Area Code

NR

Indicator:

 

 

First

Undefined; contains a blank

 

Second

Undefined; contains a blank

 

 

 

 

Subfield code:

 

 

$a

Geographic area code

R

$b

Local GAC code

R

$c

ISO code

R

$0

Authority record control number or standard number

R

$2

Source of local code

R

$6

Linkage

NR

$8

Field link and sequence number

R

Input conventions:

Structure - All alphabetical characters are input in lowercase.  Embedded and trailing hyphens are carried in the MARC record.  A detailed description of the structure and use of GACs is contained in MARC Code List for Geographic Areas.

Content designator history:

Field 043 - Geographic Area Code  [new, 2011]

Related MARC fields or documents:

Codes for the representation of names of countries and their subdivisions - Part 1: Country codes or Part 2: Country subdivision codes

MARC Code List for Geographic Areas

Source Codes for Vocabularies, Rules, and Schemes:

Geographic Area Code and Term Source Codes

See also:

0XX  Numbers and Codes

Variable Data Fields