The following documents the changes contained in the sixteenth update to the 1999 edition of MARC 21 Format for Bibliographic Data.  Update No. 16 (April 2013) includes changes resulting from proposals that were considered by the MARC 21 community during January 2013.

New content designators:

Fields

385  Audience Characteristics  (R)

386  Creator/Contributor Characteristics  (R)

Indicator

648  Subject Added Entry - Chronological Term - 1st indicator (Type of date or time period):  values # (No information provided), 0 (Date or time period covered or depicted), and 1 (Date or time period of creation or origin)

Subfield codes

$o  Single or starting date for aggregated content (NR) in 046 (Special Coded Dates)

$p  Ending date for aggregated content (NR) in 046 (Special Coded Dates)

$3  Materials specified (NR) in 250 (Edition Statement)

Code

l  Score in Music 008/20 (Format of music)

Changes in content designator names and definitions:

Codes

a  Full score redescribed in Music 008/20 (Format of music)

z  Other redescribed in Music 008/20 (Format of music)

Change in repeatability:

Field

250  Edition Statement changed from Not repeatable (NR) to Repeatable (R)

See also:

Appendix G:  Format Change Lists

Appendices