Appendix G - Format Changes
    
    
      MARC 21 Bibliographic    
    
      April 2013    
    
    This section is provided for the lists of format changes
    that accompany each update to the MARC 21 Format for
    Bibliographic Data.
    
    MARC 21 FORMAT FOR BIBLIOGRAPHIC DATA
    FORMAT CHANGE LIST
    
      Update No. 16, April 2013 
    This page documents the changes contained in the sixteenth
      update to the 1999 edition of the 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. 
    
	UPDATE 16 CHANGES
    
      ■ New content designators:    
	
      Codes 
    
      Code l - Score 
       in Music 008/20 (Format of music) 
  
  
    
      Indicators    
    
      6481st indicator
      (Type of date or time period):    
    
      # - No information provided 
	  
	
      0 - Date or time period covered or depicted 
	  
	
      1 - Date or time period of creation or origin 
	  
    
      Subfields    
	  
	 
      $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)    
	
	  
	
      Fields    
    385Audience Characteristics (R)    
	  
	386Creator/Contributor Characteristics (R)    
	  
	    
      ■ Changes in content designator
      names and definitions:    
	  
	
      Codes
    
	  
	     
      Code a - Full score  
      redescribed in Music 008/20 (Format of music) 
	  
	
      Code z - Other  
      redescribed in Music 008/20 (Format of music) 
	  
	 
      Fields
    
	
    
      250Edition Statment changed to repeatable.