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994  OCLC-MARC Transaction Code (NR)

Input Standards

Required if applicable/Required if applicable
1st Indicator  Undefined
blank character  Undefined
2nd Indicator  Undefined
blank character  Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
‡a Transaction code (NR) Required if applicable/Required if applicable
‡b Institution symbol (NR) Required if applicable/Required if applicable


Definition

Field 994 contains the codes that identify the transaction that created the record. Field 994 is system generated on export or OCLC-MARC record output. This field cannot be edited or input manually.

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 (blank character ).
blank character Undefined

2nd Indicator

 Undefined. The 2nd indicator position is undefined and contains a blank (blank character ).
blank character Undefined

Subfields
‡a Transaction code A 2-character code that identifies the transaction that created the record. Transaction codes and types are given below:
Code Type
01 Produce
02 Update
03 Delete Holdings
10 Add
11 Replace
12 Delete
50 All produce
90 Offline retrieve
91 Offline produce
92 Offline update
93 Offline delete holdings
A1 Bibliographic Record Snapshot (formerly, Local Database Creation, PRISM Keying Service record creation 1)
C0 Exported from Connexion (formerly, CORC 1)
E0 Exported from OCLC Cataloging Service (formerly, e)
X0 Exported from CatME or OCLC CJK (formerly, x) 1
Z0 Z39.50 Cataloging records

1 Discontinued service(s)


‡b Institution symbol OCLC institution symbol for the institution generating the transaction.

Catalog card printing

 Field 994 does not print.

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