Summary: Guide for catalogers on OCLC local holdings codes in the 049 field, which are associated with MSUL locations and collections and are to be used in OCLC records at the point of cataloging.

About the 049

Though it is not officially part of the MARC21 standard, the 049 code still operates in the MARC record by triggering some important functions at the point of cataloging. It's a 4-character code defined by OCLC for subscriber libraries, and in our case each code identifies one location or collection within the MSU Libraries.

The 049:

generates specific holdings information used by the public WorldCat database and some ILS processes (upon setting holdings)
is used by Sierra to automatically generate the bib record location code (upon export)
- this is just a time-saving function for catalogers, so you don't have to edit this data manually after export
- Example: Exporting from OCLC with 049 of EEMB results in bib location code of bu in Sierra record
  
  In some cases, the 049 code does not generate the correct Sierra location code, and these must be changed manually in Sierra after export (see chart below)
defaults to EEMR when editing a record in Connexion
is not preserved in the OCLC master record
is retained in the exported record in Sierra
- but serves no function in our local database, aside from incidental inventory and reporting purposes

If upon the point of cataloging you include an incorrect 049 code, the consequences are minimal. You will just need to:

remove holdings from the OCLC master record, correct the 049, and reattach holdings
adjust the bib location field in the Sierra record to reflect the correct location in our local catalog
adjust the 049 in the Sierra record to reflect the correct OCLC code
- while this step isn't technically necessary for any Sierra functionality, it reduces confusion

Locations & their 049 codes

Online catalog public display	049 field OCLC code
MSU AREA STUDIES REF, 2 EAST	QEMJ
MSU BIBLIOGRAPHERS:ASK AT DSK	EEM3
MSU BROWSING COLL, 1 EAST	EEMD
MSU BUSINESS LIBRARY	EEMB
MSU CAREER COLL, 1 EAST	QEMF
MSU CESAR CHAVEZ COLL, 1 WEST	QEMN
MSU DIGITAL/MEDIA, 4 WEST	EEM7(old av) QEMI (old so)
MSU FINE ARTS - ART	EEMA
MSU FINE ARTS - MUSIC	EEMM
MSU GOV DOCS, 3 WEST	EEM1
MSU GPO MARCIVE TAPE LOADS	QEMX (fiche) QEMY (print & electronic)
MSU GULL LAKE LIB	EEML
MSU FACULTY BOOK COLL*	EEMR change bib loc from mn to dv in Sierra after export
MSU MAIN LIBRARY	EEMR,EEMS
MSU DISSERTATIONS & THESES: MAIN, BASEMENT CTR	EEMT
MSU MAP LIBRARY, 3 WEST	EEMZ
MSU MICROFORMS, 2 WEST	Microcard - EEM* Microfiche - EEM# Microfilm - EEM= Microprint - EEM% Microguide - EEM6
MSU NEWSPAPERS, 2 WEST*	EEMR change bib loc from mn to ns in Sierra after export
MSU ONLINE RESOURCE - websites, MSU digitized materials, "free" sites, bibliographer initiated cataloging	QEMO
MSU ONLINE RESOURCE - materials we pay for	QEMP
MSU OVERSIZE BOOKS	QEMS
MSU REMOTE STORAGE*	EEMR change from bib loc mn to rs in Sierra after export
MSU REFERENCE, 1 CENTER	QEMG
MSU SPECIAL COLLECTIONS	EEMJ
MSU TECH SERVICES: ASK AT DESK	EEM8
MSU TRAVEL COLLECTION, 1 EAST	QEME
MSU TURFGRASS, 3 WEST	QEML
MSU VINCENT VOICE LIB, 4 WEST	EEMX

*These locations do not have a unique 4-letter 049 code. Use EEMR and after export, change the bib location to the correct two-letter code as noted.

Contact	Don Depoorter or Joshua Barton
Team	CatMan or CMS
Updated	May 2022
Created	March 2018

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