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997 Editing Status

Mandatory Repeatable Editable
nomay occur only once per ownership descriptionyes


Indicates the reliability of the information given on a specific piece of evidence and the type of source from which it has been gained.


  • Indicator 1: | undefined (fill-character)
  • Indicator 2: | undefined (fill-character)


  • $6 (M;NR) Evidence Sequence Number
  • $a (M;NR) Level of certainty
  • $b (M;NR) Type of source

Input Conventions

The evidence sequence number in $6 groups all chunks of information that describe the evidence for a specific ownership. All fields with an identical subfield $6 within a record describe the same ownership.

$a is a coded subfield with exact one code position:

aThe recording of this piece of evidence is considered certain.
bThe recording of this piece of evidence is considered uncertain.

$b is a coded subfield with up to 6 code positions. The code positions are filled from left to right, any unused code position is left empty.

aBook in Hand
cLibrary Catalogue
eAuction/Sales Catalogue
fHist. Library Catalogue / Accession Journal
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 help/incunabula/997.txt · Last modified: 2013/02/05 11:47 by jahnke



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