MARC Report 249: MARC Changes

• The purpose of MARC Report 249 is to support the changes introduced by
  MARC Update No. 24, announced by LC on May 17, 2017.

In addition, MARC Report 249 updates its codelist to include changes added by the following:

• Additions to Source Codes for Vocabularies, Rules, and Schemes (June 21, 2017)

• Additions to Source Codes for Vocabularies, Rules, and Schemes (May 19, 2017)