Authority 043 szerkesztése (szakasz)

== FIELD DEFINITION AND SCOPE ==


:Geographic area codes (GAC) associated with the 1XX heading in an established heading record or a subdivision record. Source of the code in subfield $a is [http://www.loc.gov/marc/geoareas/ MARC Code List for Geographic Areas]. 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.

:More precise identification of geographic areas associated with a geographic name heading may be contained in [http://www.loc.gov/marc/authority/ad052.html field 052] (Geographic Classification Code).