Authority 005
Kezdőlap - A MARC21 authority formátum - Authority 0XX
Indicators and Subfield Codes
[szerkesztés]This field has no indicators or subfield codes.
Field Definition and Scope
[szerkesztés]Sixteen characters that specify the date and time of the latest record transaction and serve as a version identifier for the record. The data and time are recorded according to Representation of Dates and Times (ISO 8601) in the pattern yyyymmdd and hhmmss.f.
Date requires 8 numeric characters in the pattern yyyymmdd (4 for the year, 2 for the month, and 2 for the day). 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). The 24-hour clock (00-23) is used.
The 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
[szerkesztés]- 005 19940223151047.0
- [February 23, 1994, 3:10:47 P.M. (15:10:47)]
- 005 19940223151047.0
Input Conventions
[szerkesztés]System Generation - Should be system generated.