§ 407. Deposit of copies or phonorecords for Library of Congress

(a) Except as provided by subsection (c), and subject to the provisions of subsection (e), the owner of copyright or of the exclusive right of publication in a work published in the United States shall deposit, within three months after the date of such publication —

(1) two complete copies of the best edition; or

(2) if the work is a sound recording, two complete phonorecords of the best edition, together with any printed or other visually perceptible material published with such phonorecords.

Neither the deposit requirements of this subsection nor the acquisition provisions of subsection (e) are conditions of copyright protection. . . .

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§408. Copyright registration in general

(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 — At any time during the subsistence of the first term of copyright in any published or unpublished work in which the copyright was secured before January 1, 1978, and during the subsistence of any copyright secured on or after that date, the owner of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.