The following documents the changes contained in the seventeenth update to the 2000 edition of MARC 21 Format for Holdings Data.  Update No. 17 (September 2013) includes changes resulting from proposals that were considered by the MARC 21 community during June 2013.

New content designators:

Subfield codes

$q  Qualifying information in 020 (International Standard Book Number)

$q  Qualifying information in 024 (Other Standard Identifier)

$q  Qualifying information in 027 (Standard Technical Report Number)

See also:

Appendix F:  Format Change Lists