MARC 21 Concise Community Information: Control Fields (001-008)

This is an ARCHIVED VERSION of the 2006 electronic edition of the MARC 21 Concise Formats. Please see www.loc.gov/marc/concise/ for the most up-to-date version of the electronic MARC 21 Concise Formats.

Fields 001-008 contain control numbers and other control and coded information that are used in processing MARC records. 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. Control fields contain neither indicator positions nor subfield codes.

Information for Translators and Other Users
Items highlighted in red indicate changes made after the 2005 edition of the MARC 21 Concise Formats was published and are included in the 2006 printed edition of the MARC 21 Concise Formats.

001 - CONTROL NUMBER (NR)

The control number assigned by the organization creating, using, or distributing the record. The organization is identified by the MARC code contained in field 003 (Control Number Identifier).

Examples


001
RAA2704

001
87-7002091

001
1208

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003 - CONTROL NUMBER IDENTIFIER (NR)

Contains the MARC code for the agency whose system control number is present in field 001 (Control Number).

See Organization Code Sources for a listing of sources used in MARC 21 records.

Examples


003
OkT

003
NN

003
CP

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005 - DATE AND TIME OF LATEST TRANSACTION (NR)

Sixteen characters that indicate the date and time of the latest record transaction and serve as a version identifier for the record. They are recorded according to Representation of Dates and Times (ISO 8601). The date requires 8 numeric characters in the pattern yyyymmdd. The time requires 8 numeric characters in the pattern hhmmss.f, expressed in terms of the 24-hour (00-23) clock.

Example


005
19930901141236.0

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007 - PHYSICAL DESCRIPTION FIXED FIELD (NR)

Eleven character positions (00-10) that contain positionally- defined, coded data elements that describe accommodations provided for people with disabilities. Each defined character position contains either a code or a fill character (|). Code n (Not applicable), when it is defined for a data element, indicates that the character position definition does not apply to the entity. Physical accommodations information may be described textually in field 575 (Accommodations for the Disabled Note).

Character Positions

Example


007
edbbcbcaaab


[Information pertains to people with a disability (007/00); there is a stairway entrance ramp but no internal ramps because the organization is on one floor (/01); the doors have been widened so as to accommodate wheelchairs (/02); the furniture, equipment, and display racks have been arranged to meet the needs of people with disabilities (/03); there are special restroom accommodations but no grab bars in toilet stalls (/04); there are special elevators to accommodate wheelchairs and the elevator control buttons have raised letters (/05); the telephones have been lowered but no handset amplifiers are available (/06); there are no flashing emergency lights (/07); sign language is not used (/08); and there are no subtitles or supertitles available (/09); and handicapped parking is available with high clearance for special vehicles (/10).]

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008 - FIXED-LENGTH DATA ELEMENTS (NR)

Fifteen character positions (00-14) that contain positionally-defined, coded data elements that provide information about the record as a whole or about special aspects of the community information. Each character position must contain either a defined code or a fill character ( | ). Code n (Not applicable), when it is defined for a data element, indicates that the character position definition does not apply.

Character Positions

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