If you are an OCLC member library using the OCLC Z39.50 Cataloging service as a source for bibliographic records, you need to update your library's holdings in WorldCat. Libraries have two options for setting holdings:
For information about using Z39.50, see Z39.50 Database Update Implementation for OCLC Z39.50 Cataloging: Extended Service Definition.
This Web page gives a brief outline for using Batchload. Basically, you order a batchload project, receive a Project ID from OCLC Batch Services, and then send your records to OCLC to match in WorldCat and update your library's holdings.
Order a batchload project using the Bibliographic Batchload Order form in the OCLC Online Service Center (OSC). See information and instructions in:
When ready to order, log on to the Online Service Center.
After you complete your batchload order, you will receive an order confirmation e-mail from Batch Services with your Project ID (a number that begins with "P"; for example "Pxxxxxx" where "x" represents any number). You can then prepare and send your files of MARC records for processing using one of the following methods: