The following documents the changes contained in the twenty-sixth update to the 2000 edition of MARC 21 Format for Holdings Data.  Update No. 26 (April 2018) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 25 (December 2017).

New content designator:

Code

007 - Map - character position 04 (Physical medium):  code x (Not applicable)

Change in content designator name and definition:

Code

007/06 (Map: Production/reproduction details) code c:  Pre-production renamed Photographic pre-production and redescribed

See also:

Appendix F:  Format Change Lists

Appendices