Code 100 - General Processing DataMandatory, not repeatable Indicators not definedSubfields: a - General Processing Data (NR)0-7 date entered on file (mandatory) 8 status of authority filea=established c=provisional x=not applicable9-11 language of cataloging (mandatory) 12 transliteration codea=ISO transliteration scheme b=other c=multiple transliterations;ISO or other schemes y=no transliteration scheme used13-16 character set (mandatory)01=ISO 646 (basic Latin set) 02=ISO Registration #37 (basic Cyrillic set) 03=ISO 5426 (extended Latin set) 04=ISO DIS 5427 (extended Cyrillic set) 05=ISO 5428 (Greek set) 06=ISO 6438 (African coded character set) 07=ISO 10586 (Georgian character set) 50=ISO 10646 Level317-20 additional character set 21-22 script of catalogingba=Latin ca=Cyrillic da=Japanese - script unspecified db=Japanese - kanji dc=Japanese - kana ea=Chinese fa=Arabic ga=Greek ha=Hebrew ia=Thai ja=Devanagari ka=Korean la=Tamil ma=Georgian zz=Other