ses of deposit, of any copy or phonorecord of an
unpublished transmission program, the transmission of which occurs
before the receipt of a specific written demand as provided by clause
(2).

(4) No activity undertaken in compliance with regulations prescribed
under clauses (1) and (2) of this subsection shall result in liability
if intended solely to assist in the acquisition of copies or
phonorecords under this subsection.

Section 408. Copyright registration in general [8]

(a) Registration Permissive. At any time during the subsistence of the
first term of copyright in any published or unpublished work in which
the copyright was secured before January 1, 1978, and during the
subsistence of any copyright secured on or after that date, the owner of
copyright or of any exclusive right in the work may obtain registration
of the copyright claim by delivering to the Copyright Office the deposit
specified by this section, together with the application and fee
specified by sections 409 and 708. Such registration is not a condition
of copyright protection.

(b) Deposit for Copyright Registration. Except as provided by subsection
(c), the material deposited for registration shall include-

(1) in the case of an unpublished work, one complete copy or
phonorecord;

(2) in the case of a published work, two complete copies or phonorecords
of the best edition;

(3) in the case of a work first published outside the United States, one
complete copy or phonorecord as so published;

(4) in the case of a contribution to a collective work, one complete
copy or phonorecord of the best edition of the collective work.

Copies or phonorecords deposited for the Library of Congress under
section 407 may be used to satisfy the deposit provisions of this
section, if they are accompanied by the prescribed application and fee,
and by any additional identifying material that the Register may, by
regulation, require. The Register shall also prescribe regulations
establishing requirements under which copies or phonorecords acquired
for the Library of Congress under subsection (e) of section 407,
otherwise than by deposit, may be used to satisfy the deposit provisions
of this section. (c) Administrative Classification and Optional
Deposit. (1) The Register of Copyrights is authorized to specify by
regulation the administrative classes into which works are to be placed
for purposes of deposit and registration, and the nature of the co