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MARC 21 Format for Bibliographic Data

National Level Full and Minimal Requirements

Leader & Directory


1999 Edition
Update No. 1 (October 2001) through Update No. 12 (October 2010)

                                                 National  Minimal
                                                  Level     Level

LEADER                                               M        M
    00-04 Record length                              M        M
    05    Record status                              M        M
    06    Type of record                             M        M
    07    Bibliographic level                        M        M
    08    Type of control                            M        M
    09    Character Coding Scheme                    M        M
    10    Indicator count                            M        M
    11    Subfield code count                        M        M
    12-16 Base address of data                       M        M
    17    Encoding level                             M        M
    18    Descriptive cataloging form                M        M
    19    Multipart resource record level            M        M
    20    Length of the length-of-field portion      M        M
    21    Length of the starting-character-          M        M
          position portion
    22    Length of the implementation-defined       M        M
          portion
    23    Undefined                                  M        M

DIRECTORY                                            M        M
    00-02 Tag                                        M        M
    03-06 Field length                               M        M
    07-11 Starting character position                M        M


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