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`Libram of Congress >> MARC >> Bibliographic >> M >> 005
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`005 - Date and Time of Latest Transaction (NR)
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`MARC 21 Bibliographic - Full
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`February 1999
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`Indicators and Subfield Codes
`This field has no indicators or subfield codes.
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`FIELD DEFINITION AND SCOPE
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`Sixteen characters that indicate the date and time of the latest record transaction and serve as a
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`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 hhmmssf expressed in terms of the 24-hour (00-
`23) clock.
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`http://www. |oc.gov/m arcflai bl iographi c/bd005.htm|
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`Date characters yyyymmdd include 4 for the year, 2 for the month, and 2 for the day.
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`Time characters hhmmssf include 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.
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`The date on which a record is first entered into machine-readable form is contained in field
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`008/00-05. The Date entered on file never changes.
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`IEXAMPLE
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`005 19940223151047.0
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`[February 23, 1994, 3:10:47P.M. (15:10:47)]
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`INPUT CONVENTIONS
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`System Generation - Field 005 should be system generated.
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`Library of Congress >> MARC >> Bibliographic >> M >> 005
`
`(02/11/2008)
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