...
The recommendation is to use "com.exlibris.repository.mms.match.uniqueOCLC" because OCLC will be the primary cataloging utility for the CSU and these records are being imported from OCLC and have a OCLC number and therefore should be matched by unique OCLC identifierwill have an OCLC number. The match method is set at each campus' instance of Alma.Because Connexion will be the primary cataloging utility for the CSU, the task force recommends the use of the unique OCLC identifier match method.
For vendor records, the task force recommends that campuses ask vendors to provide oclc OCLC numbers in the 035 field. If vendors are unable to provide oclc numbers, records may be matched on 035 (other system identifier). For a detailed discussion of using vendor record numbers as a match method, please see the documentation from the Orbis Cascade Alliance and search for “YBP workflows”.
...
For any record import where the source of the record is OCLC, the unique oclc OCLC identifier match method should be used.
...