Changes

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= 042 Authentication Code =
 
= 042 Authentication Code =
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'''LAC'''<br>In the Canadiana authority file, cataloguers must add the 042 field every time they create, derive or revise an authority record. This code identifies the “virtual” Canadian authority file, which is spread across two separate authority files (LC/NAF and Canadiana).
      
'''PFAN'''<br>This field is found in all authority records used by LAC. Do not modify or delete this field when code CaOONL appears in field 040.
 
'''PFAN'''<br>This field is found in all authority records used by LAC. Do not modify or delete this field when code CaOONL appears in field 040.
    
When cataloguers (other than LAC cataloguers) derive an authority record from an LAC record which includes field 042, they must remember to delete this field.   
 
When cataloguers (other than LAC cataloguers) derive an authority record from an LAC record which includes field 042, they must remember to delete this field.   
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'''LAC'''<br>In the Canadiana authority file, cataloguers must add the 042 field every time they create, derive or revise an authority record. This code identifies the “virtual” Canadian authority file, which is spread across two separate authority files (LC/NAF and Canadiana).
    
[2021-02-18]
 
[2021-02-18]