Appendix G - Format Changes
    
    
      MARC 21 Bibliographic    
    
      April 2012    
    
    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. 14, April 2012 
    This page documents the changes contained in the fourtheenth
      update to the 1999 edition of the MARC 21 Format for
      Bibliographic Data. Update No. 14 (April 2012)
       includes changes resulting from proposals that were
  considered by the MARC 21 community during January 2012. 
    
	UPDATE 14 CHANGES
    
      ■ New content designators:    
    
      Indicators    
    
      3821st indicator
      (Display constant controller):    
    
      # - No information provided 
	  
	
      0 - Medium of performance 
	  
	
      1 - Partial medium of performance 
	  
	 
      3822nd indicator
      (Access control):    
     
      # - No information provided 
	  
	
      0 - Not intended for access 
	  
	
      1 - Intended for access 
    
      Subfields    
    
      $b Soloist (R) in 382 (Medium of Performance)    
	 
	
      $d Doubling instrument  (R) in 382 (Medium of Performance)     
    
      $p Alternative medium of performance 
      (R) in 382 (Medium of Performance)    
	  
	
      $n Number of performers of the same medium  in 382 (Medium 
  of Performance)    
	  
	 
      $s Total number of performers  (R) in 382 (Medium of Performance)    
	  
	 
      $v Note (R) in 382 (Medium of Peformance)