Field definition and scope:

Field 043 contains geographic area codes (GAC) for geographic areas associated with a bibliographic record.  A more precise identification of geographic areas associated with a bibliographic record may be contained in field 052 (Geographic Classification).  Subfield $b may be used for a local expansion of a GAC code.

The choice of geographic area code is usually based on the geographic names and/or subdivisions in 6XX subject added entry and index term fields.  GACs are recorded in field 043 in order of importance, which is generally the same order as the geographic names and/or subdivisions in the 6XX fields.

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 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.

The National level record requirement for this field is Mandatory if applicable.

Field 043 is NOT 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 043

Geographic Area Code

A

O

NR

Indicator:

 

 

 

 

First

Undefined; contains a blank

M

 

 

Second

Undefined; contains a blank

M

 

 

 

 

 

 

 

Subfield code:

 

 

 

 

$a

Geographic area code

M

O

R

$b

Local GAC code

O

O

R

$c

ISO code

 

 

R

$0

Authority record control number or standard number

 

 

R

$2

Source of local code

A

O

R

$6

Linkage

A

O

NR

$8

Field link and sequence number

O

O

R

Input conventions:

Structure

Content designator history:

Subfield $c - ISO code  [new, 2001]:  Subfield $c was defined to accommodate ISO 3166 country codes.

Subfield $0 - Authority record control number or standard number  [new, 2011]

Related MARC fields or documents:

052  Geographic Classification

Codes for the representation of names of countries and their subdivisions - Part 1: Country codes or Part 2: Country subdivision codes (ISO 3166)

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