Appendix G - Format Changes
    
    
      MARC 21 Bibliographic    
    
  May 2017    
    
    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. 24, May 2017
    This page documents the changes contained in the twenty-fourth
      update to the 1999 edition of the MARC 21 Format for
      Bibliographic Data. Update No. 24 (May 2017)
       includes changes resulting from proposals that were
  considered by the MARC 21 community during January 2017. 
  
          
    
	UPDATE 24 CHANGES
    
      ■ New content designators:    
      
   
      Indicators    
    0701st indicator
      Existence in NAL Collection:    
    
      # - No information provided
	    
  
  
  
      Subfields    
	  
      
      $b Controlled term   (R)      in 567 (Methodology Note)     
        
      
      $g Color content   (R)      in 340 (Physical Medium)     
      
      
      $i Relationship information   (R)      in 370 (Associated Place)     
      
      
      $i Relationship information   (R)      in 386 (Creator/Contributor Characteristics)     
	  
	 
      $0 Authority record control number or standard number   (R)      in
               
      050 (Library of Congress Call Number)     
	  
	 
      $0 Authority record control number or standard number   (R)      in
               
       052 (Geographic Classification)     
	  
	 
      $0 Authority record control number or standard number   (R)      in
               
       055 (Classification Numbers Assigned in Canada)     
	  
	 
      $0 Authority record control number or standard number   (R)      in
 
               
      060 (National Library of Medicine Call Number)     
      
	 
      $0 Authority record control number or standard number   (R)      in
               
       070 (National Agricultural Library Call Number)     
	  
	 
      $0 Authority record control number or standard number   (R)      in
               
       080 (Universal Decimal Classification  Number)     
       
     
      $0 Authority record control number or standard number   (R)      in
               
       084 (Other Classification  Number)     
       
     
      $0 Authority record control number or standard number   (R)      in
               
       085 (Synthesized Classification Number Components)     
       
	 
      $0 Authority record control number or standard number   (R)      in
               
       086 (Government Document Classification Number)     
      
      
      $0 Authority record control number or standard number   (R)      in
               
       567 (Methodology Note)     
       
      
      $2 Source of term (NR)      
	  in 567 (Methodology Note)     
	  
     
      $3 Materials specified (NR)      
	  in 370 (Associated Place)     
      
      
      $4 Relationship   (R)      in 370 (Associated Place)     
      
      
      $4 Relationship   (R)      in 386 (Creator/Contributor Characteristics)     
        
	  
  
      ■ Changes in content designator
      names and definitions:    
                    
	  
  
      Subfields
  
  
 
      $gPlace of origin of work renamed Place of origin of work or expression
 
      
               
      
      and redescribed in 370 (Associated Place)
       
   
    
      $0Authority record control number or standard number redescribed in 
    
              
      
  Appendix A (Control Subfields)    
    
   
      $4Relationship code renamed Relationship and redescribed in:
      
              
      
      760 (Main Series Entry),
      
              
      
      762 (Subseries Entry),
      
              
      
       765 (Original Language Entry),
       
       
              
      
      767 (Translation Entry),
      
              
      
       770 (Supplement/Special Issue Entry),
       
              
      
      772 (Supplement Parent Entry),
      
             
      
      773 (Host Item Entry),
      
             
      
      774 (Constituent Unit Entry),
      
      
              
      
      775 (Other Edition Entry),
      
             
      
      776 (Additional Physical Form Entry),
      
              
       
      777 (Issued With Entry),
      
              
      
      780 (Preceding Entry)
      
              
      
      785 (Succeeding Entry),
 
      
		        
      
      786 (Data Source Entry),
 
      
              
      
      787 (Other Relationship Entry)
          
       
          
            $4Relator code renamed Relationship and redescribed in:
      
              
      
      100 (Main Entry-Personal Name),
      
              
      
      110 (Main Entry-Corporate Name),
      
              
      
       111 (Main Entry-Meeting Name),
       
              
      
      270 (Address),
          
              
      
      600 (Subject Added Entry-Personal Name),
      
             
      
      610 (Subject Added Entry-Corporate Name),
      
              
       
      611 (Subject Added Entry-Meeting Name),
      
              
      
      630 (Subject Added Entry-Uniform Title),
                   
      
      650 (Subject Added Entry-Topical Term),
      
              
       
      651 (Subject Added Entry-Geographic Name),
      
              
      
      654 (Subject Added Entry-Faceted Topical Terms),
      
              
      
      662 (Subject Added Entry-Hierarchical Place Name),
      
      
              
      
      700 (Added Entry-Personal Name),
 
      
		        
      
      710 (Added Entry-Corporate Name),
 
      
              
      
      711 (Added Entry-Meeting Name),
      
              
      
      720 (Added Entry-Uncontrolled Name),
 
      
              
      
      751 (Added Entry-Geographic Name),
      
              
      
      752 (Added Entry-Hierarchical Place Name),
      
              
      
      800 (Series Added Entry-Personal Name),
      
              
      
      810 (Series Added Entry-Corporate Name),
      
              
      
      811 (Series Added Entry-Meeting Name)