Appendix F - Format Changes
MARC 21 Authority
October 2009
This section is provided for the lists of format changes
that accompany each update to the MARC 21 Format for
Authority Data.
MARC 21 FORMAT FOR AUTHORITY DATA
FORMAT CHANGE LIST
Update No. 10, October 2009
This page documents the changes contained in the tenth
update to the 1999 edition of the MARC 21 Format for
Authority Data. Update No. 10 (October 2009) includes
changes resulting from proposals that were considered by
the MARC 21 community during 2009.
■ New content designators:
Codes
Code r - Relationship
designation in $i or $4 in $w/0 (Special
relationship) of Tracings and References fields
400-485, 500-585
Subfields
$4 Relationship code (R)
in
Tracings and References fields 400-485,
500-585
Fields
046Special Coded Dates
(R)
080Universal Decimal
Classification Number (R)
336Content Type (R)
370Associated Place (R)
371Address (R)
372Field of Activity (R)
373Affiliation (R)
374Occupation (R)
375Gender (R)
376Family Information
(R)
377Associated Language
(R)
■ Changes in content designator
names:
Subfield codes
$i Reference instruction
phrase Relationship information in Tracings and
References fields 400-485, 500-585