An addendum to MARC Update No. 28 (May 2019) is now available on the MARC website (www.loc.gov/marc/). The addendum consists of changes to the MARC 21 formats resulting from revised decisions made regarding the outcome of MARC Proposal No. 2019-01, which came about after the publication of Update No. 28…
...To access the change appendixes, and for more information about format documentation, see: http://www.loc.gov/marc/status.html...
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