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999 Date of editing the record (O;R)

Field Definition and Scope

This field indicates the date and time the record has been changed and the editor who has performed this changes. This field is created by the database system and should not be inserted manually.

Application of Content Designators


Indicator 1: not defined (blank)

Indicator 2: not defined (blank)


$a Date of last change (M;NR)

$b Time of last change (M;NR)

$c Identification (M;NR)
Four character code identifying the cataloguer.
auge = AUtomatically GEnerated record
Other codes will be attributed by the CT system manager.

Input Conventions


  1. 999 $a20040204$b12:00:00$cauge

Internal Representation

{"meta": {"history": [
        "editor": "Editor (998$c)",
        "timestamp": "Timestamp (998$a, 998$b)"
        "editor": "Editor (999$c)",
        "timestamp": "Timestamp (999$a, 999$b)"

Change History

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 resources/cerl_thesaurus/editing/format/999.txt · Last modified: 2017/07/17 18:25 by jahnke



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