Appendix F - Format Changes
    
    
      MARC 21 Authority
    
    
      October 2009/February 2010
    
    
    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 and Update No. 11, February 2010
    
    
      This page documents the changes contained in the tenth
      and eleventh update to the 1999 edition of the MARC 21 Format for
      Authority Data. Update No. 10 (October 2009) and Update No. 11 (February 2010) include
      changes resulting from proposals that were considered by
      the MARC 21 community during 2009 and January 2010.
    
    
	UPDATE 10 CHANGES
    
      ■ 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
      
     
  
    UPDATE 11 CHANGES
  
    ■ New content designators:
   
  
      
        Subfields
      
      
        $k Beginning or single date created (NR)
        in
        046 (Special Coded Dates)
      
	  
	  
        $l   Ending date created (NR)
        in
      046 (Special Coded Dates)      
	  
	  
        $3 Materials specified (NR)
        in
        034 (Coded Cartographic Mathematical Data)
      
	  
	  
        Fields
      
      
        380Form of Work
        (R)
      
	  
	  
      
        381Other Distinguishing Characteristics of Work or Expression
        (R)      
	  
	  
        382Medium of Performance
        (R)
      
	  
	  
        383Numeric Designation of Musical Work
        (R)
      
	  
	  
        384Key
        (NR)
      
	  
      ■ Changes in repeatability:
    
	
	  
      Subfields
    
    
      $eDescription conventions
	   in 040 (Cataloging Source):  from NR to R