Amendments 2001 to AACR2 added a new rule 9.4F4 to provide for giving the latest copyright date as the publication date whenever the item contains multiple copyright dates but lacks a publication date.

Option Decision:

Rule 9.4F4 includes an optional provision for giving the other copyright dates in notes.

LC practice:  Apply the optional provision of the rule on a case-by-case basis.

See also:

9.4.  Publication, Distribution, Etc., Area