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  1. mod-quick-marc
  2. MODQM-154

MARC Authority - Leader rules

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    • Thunderjet/Firebird Back-end Story Template
    • eHoldings Sprint 124
    • 2
    • Spitfire

    Description

      Requirement - MARC authority leader has slightly different rules than MARC bibliographic leader. Development should account for these updates for storing/creating/editing/displaying a MARC authority record.

      MARC documentation

      https://www.loc.gov/marc/authority/adleader.html

      requirement

      • No change to character for unknown value
      • No change to character for blank/empty
      • No change to character for undefined

      quickMARC - MARC Authority validation rules

      https://wiki.folio.org/display/FOLIJET/MARC+Authority+-+System+updates+and+quickMARC+validation+rules

      LEADER

      Character Positions Editable Display on quickMARC Details
      00-04 - Record length No Yes System generated, five-character number equal to the length of the entire record, including itself and the record terminator. The number is right justified and each unused position contains a zero.
      05 - Record status No Yes a,c,d,n,o,s,x
      06 - Type of record No Yes Always z
      07-08 - Undefined character positions No Yes System generated. Both are undefined; each contains a blank. Use character that indicates blank.
      09 - Character coding scheme No Yes System generated
      10 - Indicator count No Yes Indicator count is always 2.
      11 - Subfield code length No Yes Subfield code count is always 2.
      12-16 - Base address of data No Yes System generated [number] - Length of Leader and Directory
      17 - Encoding level No Yes can only have one of the following values n,o
      18 -Punctuation policy No Yes -
      19 - Undefined character position No Yes Undefined and contains a blank. Use character that indicates blank.
      20 - Length of the length-of-field portion No Yes Always a 4
      21 - Length of the starting-character-position portion No Yes Always a 5
      22 - Length of the implementation-defined portion No Yes Always a 0
      23 - Undefined No Yes Always a 0

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                Shans Shans Kaluhin
                kgambrell Khalilah Gambrell
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