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00-05- Date entered on file
06- Direct or indirect geographic subdivision
07- Romanization scheme
08- Language of catalog
09- Kind of record
10- Descriptive cataloging rules
11- Subject heading system/thesaurus
12- Type of series
13- Numbered or unnumbered series
14- Heading use--main or added entry
15- Heading use--subject added entry
16- Heading use--series added entry
17- Type of subject subdivision
18-27 Undefined character positions
28- Type of government agency
29- Reference evaluation
30 Undefined character position
31- Record update in process
32- Undifferentiated personal name
33- Level of establishment
34-37 Undefined character positions
38- Modified record
39- Cataloging source