2 USC 1741 - Definitions
As used in this chapter:
(1) The term Librarian means the Librarian of Congress.
(2) The term Board means the National Recording Preservation Board.
(5) The term Registry version means, with respect to a sound recording, the version of a recording first published or offered for mass distribution whether as a publication or a broadcast, or as complete a version as bona fide preservation and restoration activities by the Librarian, an archivist other than the Librarian, or the copyright legal owner can compile in those cases where the original material has been irretrievably lost or the recording is unpublished.