ALL: Required if applicable. One-character code. Default:
Archival control status.
No specific type of control. No type of control applies.
Archival. The material is described according to archival descriptive rules, focusing on the contextual relationships between items and on their provenance rather than on bibliographic detail. The specific set of rules for description may be found in field 040 (Cataloging Source) subfield ‡e. All forms of material can be controlled archivally.