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994 OCLC-MARC Transaction Code (NR)
Record Type
BIB
Input Standards
Field (Full/Minimal)
System supplied/System supplied
1st Indicator Undefined
Undefined
2nd Indicator Undefined
Undefined
Subfields (R=Repeatable NR=Nonrepeatable)
Input Standards (Full/Minimal)
ǂa
Transaction code (NR)
System supplied/System supplied
ǂb
Institution symbol (NR)
System supplied/System supplied
Definition
Field 994 contains a system-generated code that identifies the user-initiated transaction performed on the record. The field is generated on export or included in records delivered via other OCLC services. This field cannot be edited or input manually.
For information on punctuation, see the Punctuation section below.
History
The history of the fields in which transaction codes have been stored:
Date
Transaction codes stored in
Before June 6, 1999
Leader byte 22 (Transaction Type Code)
June 6, 1999-December 31, 1999
Field 994 and Leader byte 22 Note: This was the transitional period during which field 994 was implemented in various OCLC products and services at various times. Transaction codes continued to be stored in Leader byte 22 during this time.
January 1, 2000-November 11, 2006
Field 994 and Leader byte 22
November 12, 2006-present
Field 994 Note: Connexion client 1.60 used both field 994 and Leader byte 22 until it was discontinued on April 1, 2007.
1st Indicator
Undefined . The 1st indicator position is undefined and contains a blank .
Undefined
2nd Indicator
Undefined . The 2nd indicator position is undefined and contains a blank .
Undefined
Subfields
ǂa Transaction code
A two-character code that identifies the transaction performed on the record. Transaction codes and types are given below:
Code
Type
01
Produce and update holdings
02
Update holdings
03
Delete holdings
10
Add record
11
Replace record
12
Delete record
50
All produce (alternate produce)
90
Offline retrieve
91
Offline produce
92
Offline update WorldShare Collection Manager WorldCat cataloging partner collections WorldShare Collection Manager WorldCat query collections WorldShare Collection Manager WorldCat updates WorldShare Collection Manager WorldCat knowledge base collections WorldShare Collection Manager data sync collections WorldCat record output
93
Offline delete holdings WorldShare Collection Manager delete record
A1
Bibliographic Record Snapshot (formerly, Local Database Creation) or PRISM Keying Service record creation [Discontinued services]
C0
Exported from Connexion or WorldShare Record Manager
E0
Exported from OCLC Cataloging Service (formerly, e )
X0
Exported from CatME or OCLC CJK (formerly, x ) [Discontinued services]
Z0
Z39.50 Cataloging records
ǂb Institution symbol
OCLC institution symbol for the institution associated with the transaction.
Punctuation
Omit all punctuation in field 994.
For more information on punctuation, including OCLC policy, see section 2.8, Punctuation .
Indexing
Field 994 is not indexed.
MARC 21
Field 994 is OCLC-defined and therefore not included in MARC 21 Format for Bibliographic Data .
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