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Table of Contents

Name & Name-title headings

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Bib Field numberDefault rule: Bib indicator 2Default rule: Authority 008/position 11Default rule: Authority 008/position 15Rules a tenant can set
655
  • Check indicator 2 
  • Link to authority 155
  • See below table(s)
  • Check for a - Appropriate
  • Can override authority 008/position 11
  • Can override authority 008/position 15 
  • Can set indicator 2 = null handling 
  • Can set indicator 2 = 4 handling 
  • Can set indicator 2 = 7 handling (See Handle 7 section)
  • AND also See Table: Subject/Topical term/Genre (650/655 bib/150/155 authority) default validation rules 

Subject/Topical term/Genre (650/655 bib/150/155 authority) default validation rules

Bib Indicator 2 valueDefault 008/position 11 Tenant can override authority 008/position 11 rule(s) Tenant can override 008/position 15 ruleExample
0 - Library of Congress Subject Headings008 position 11 = a
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values

Override default value with any value. It is all OR a (default). 


1 - LC subject headings for children's literature008 position 11 = b
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values
Override default value with any value. It is all OR a (default).
2 - Medical Subject Headings008 position 11 = c 
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values
Override default value with any value. It is all OR a (default).
3 - National Agricultural Library subject authority file008 position 11 =  d
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values
Override default value with any value. It is all OR a (default).
4 - Source not specified008 position 11 = n
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values
Override default value with any value. It is all OR a (default).
5 - Canadian Subject Headings008 position 11 = k
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values
Override default value with any value. It is all OR a (default).
6 - Répertoire de vedettes-matière008 position 11 = v
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values
Override default value with any value. It is all OR a (default).
null008 position 11 = | (no attempt to code)
  • Override default 008/position 11 value with
    • Any authority heading (150) regardless of 008/position 11 value 
    • Or can be set to multiple 008/position 11 values
  • Or cannot link to any 150 at all 
Override default value with any value. It is all OR a (default).

Invalid second indicator 

  • If a user enters an invalid second indicator (so not a null or 0-7) then return an error message. 

Handle 7 - Source specified in subfield $2

  • Default rules : MARC authority 008 position 11 = z AND must have a MARC bib subfield 2 value
  • Tenant can override
    • Default 008/position 11 value with any authority heading (150) regardless of 008/position 11 value OR can be set to multiple 008/position 11 values
    • Default 008/position 15 value with any value. It is all OR a (default).
    • Tenant can define MARC bib subfield 2 handling by 
      • Setting the MARC authority field number and subfield to check for matching bib subfield 2 value 
        • Can only set multiple MARC authority field numbers and subfields AND cannot set to null 
      • Default MARC authority field number and subfield: 040 $f
      • Removing MARC authority field number and subfield will trigger a warning message that the link bib fields will become unlinked
      • Editing MARC authority subfield value will trigger a warning message and will result in the bib subfield 2 value being updated 

Subfield 2 > Create/Edit/Derive a MARC bib requirements

  • Unlinkable fields > Allow user to enter/edit a subfield 2 (including multiples) 
  • Linkable fields > Allow user to enter/edit a subfield 2 (including multiples)  
  • Linked fields that are not 6XX > Not read only AND user can enter/edit subfield 2 (including multiples) 
  • Linked fields that are 6XX > Read only AND user cannot enter/edit subfield 2 (including multiples) 

Subfield 2 > Create a MARC bib import requirements 

  • Unlinkable fields > Allow user to import and create a field(s) with a subfield 2 (including multiples) 
  • Linkable fields > Allow user to import and create a field(s) with a subfield 2 (including multiples)  

Subfield 2 > Update a MARC bib import requirements 

  • Unlinkable fields > Allow user to import and update a field(s) with a subfield 2 (including multiples) 
  • Linkable fields > Allow user to import and update a field(s) a subfield 2 (including multiples)
  • Linked fields that are not 6XX > Allow user to import and update a field(s) a subfield 2 (including multiples)
  • Linked fields that are 6XX > 
    • If the same subfield 2 then no change 
    • If a different subfield 2 then do not change existing subfield 2 UNLESS $0 has changed or does not exist 
    • If multiple subfield 2 then do not change existing subfield 2 UNLESS $0 has changed or does not exist

Automated linking 

  • If user enables automated linking for any 6XX then check against these subject thesaurus validation rules and presence of $0 
  • If $0 exist for an authority record and that authority record follows the defined tenant subject thesaurus validation rules then link the bib field 
    • If a single subfield 2 is used to link the bib field then the field should be read only
    • If multiple subfield 2 then only keep the subfield 2 that is tied to the linked authority heading  

Manual linking 

  • Apply validation rules 
  • If user creates a new field then
    • Check 2nd indicator value for rules to apply 
    • IF 2nd indicator value = 7 then populate subfield 2 with authority field/subfield value defined by library Source code and make read only 
  • If invalid selection then show an error message [You have selected an invalid heading based on the bibliographic field you want controlled. Please revise your selection.]


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Authority updates

040f or field/subfield defined by library as Source > Create/Edit MARC authority via UI  

  • Must be NR MARC field and subfield. 
  • Required field? OR only for certain heading types? Or if you have setup subfield 2 rules? 040 must be non-repeatable and is required when 008/position 11 = z
    • 040 subfield f is also required when 008/position 11 = z
  • If multiple or does not exist then Error: Show an error message > Can only have one <<cataloging source (040 field) and only one subfield f value>>.
  • If user updates source subfield value then update all linked bib fields 

040f or field/subfield defined by library as Source  > Create a MARC Authority import requirements 

  • Must be a NR MARC field and subfield.
  • If multiple then fail record and return Error: Show an error message > Can only have one <<cataloging source (040 field) and only one subfield f value>>. 

040f or field/subfield defined by library as Source > Update a MARC Authority import requirements 

  • Must be a NR MARC field and subfield.
  • Update to 040f or field/subfield defined by library as Source will also update linked bib fields 
  • If 040f or field/subfield defined by library as Source is deleted then fail authority record update and return error message
  • If multiple then fail authority record update and return error message 
  • Error: Show an error message > Can only have one <<cataloging source (040 field) and only one subfield f value>>. 

008 updates 

Create/Edit Authority via UI 

  • Any changes change to position 11 and/or 15 that will change the linked bib field second indicator value should resultdo either one of the below options. 
    • A. in unlinking the bib field from the authority heading. UI will show an are you sure want to do this warning message. 
    • B. Allow the change to proceed and update linked bib field second indicator and/or subfield 2

Create a MARC Authority import requirements 

  • N/A 

Update a MARC Authority import requirements 

  • Any changes change to position 11 and/or 15 (including entire removal of 008) that will change the linked bib field second indicator value should result inwill do either one of these options 
    • A. unlinking the bib field from the authority heading
    • B. Allow the change to proceed and update linked bib field second indicator and/or subfield 2

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