1-4 Record size	(auto-filled)
5- Record status	a- Increase in encoding level a- Increase in encoding level c- Corrected or revised c- Corrected or revised d- Deleted d- Deleted n- New n- New o- Obsolete o- Obsolete s- Deleted; heading split into two or more headings s- Deleted; heading split into two or more headings x- Deleted; heading replaced by another heading x- Deleted; heading replaced by another heading
6- Type of record	z- Authority data
7-8 Undefined
9- Encoding	MARC-8 MARC-8 a- UCS/Unicode a- UCS/Unicode
10-16 indicator/subfields/size	(auto-filled)
17- Encoding level	n- Complete authority record n- Complete authority record o- Incomplete authority record o- Incomplete authority record
18-19 Undefined
20-24 entry map & lengths	(auto-filled)