This section is provided for the lists of format changes that accompany each update to the MARC 21 Format for Holdings Data.
The following field does not have technical changes but contains editorial modifications (in red). A full description of editorial changes for the entry can be found in the linked MARC Proposal referenced.
The following sections and fields were created/changed in Update No. 36 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.
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