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Concise Formats - 2008 Archive >> Authority >> 0XX

Control Fields (001-008)

This is an ARCHIVED VERSION of the 2008 electronic edition of the MARC 21 Concise Formats. Please see loc.gov/marc/concise/ for the most up-to-date version of the electronic MARC 21 Concise Formats.

Record control number and other coded information used in the processing of MARC authority records. These fields have no indicators or subfield codes.

Each control field is identified by a field tag in the Directory and contains either a single data element or a series of fixed-length data elements identified by relative character position. Variable control fields contain neither indicator positions nor subfield codes.