005 Date and Time of Latest Transaction (NR) (Variable Control Field)
Field definition and scope:
Field 005 contains 16 characters that specify the date and time of the latest transaction made against any field in a separate holdings record. The date and time 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). 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 (Date entered on file). The Date entered on file never changes. The date on which the holdings statement was last updated is contained in field 008/26-31 (Date of report).
Field 005 is NOT repeatable.
Guidelines for applying content designators:
Field 005 has no indicators or subfield codes.
See: Example
Input conventions:
Field 005 is system generated at the date and time of the latest transaction made to a separate holdings record.
Embedded holdings information: When holdings information is embedded in a related MARC bibliographic record, an additional field 005 is not generated.
Related MARC fields or documents:
008/00-05 Date entered on file
Representation of Dates and Times (ISO 8601)
See also: