2116.5 (E) Based on First Publication
If the work was first published before January 1, 1978, the deposit requirement is one complete copy or phonorecord of the work as first published. If the work was first published on or after January 1, 1978 the deposit requirement is one complete copy or phonorecord of the best edition available at the time of registration, along with other examining material from the work as first published to prove that the work as first published met all statutory requirements to maintain the copyright secured by registration of the unpublished work. If the best edition is not identical to the work as first published see Sections 2116.5 (B) (2) and 2116.5 (B) (3).