Library of Congress >> MARC >> Classification >> 00X >> 005

005 - Date and Time of Latest Transaction (NR)

MARC 21 Classification - Full

January 2000

Indicators and Subfield Codes

No indicators or subfield codes.

FIELD DEFINITION AND SCOPE

Sixteen characters that specify 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 (4 for the year, 2 for the month, and 2 for the day). The time requires 8 numeric characters in the pattern hhmmss.f (2 for the hour, 2 for the minute, 2 for the second, and 2 for a decimal fraction of the second, including the decimal point), expressed in terms of the 24-hour (00-23) clock.

Date on which a record is first entered into machine-readable form is contained in field 008/00-05. The Date entered on file never changes.

■ EXAMPLE


005	19910201141236.0 [February 1, 1991, 212:36 P.M. (14:12 36)]

INPUT CONVENTIONS

System Generation - Field 005 should be system generated.

Library of Congress >> MARC >> Classification >> 00X >> 005

(03/12/2008)