The following documents the changes contained in the thirteenth update to the 2000 edition of the MARC 21 Format for Classification Data.  Update No. 13 (September 2011) includes changes resulting from proposals that were considered by the MARC 21 community during January and June 2011.

New content designators:


034  Coded Cartographic Mathematical Data  (R)

043  Geographic Area Code  (NR)

See also:

Appendix E:  Format Change Lists