Register of Copyrights to be prima facie evidence of particulars entered therein.

    The Register of Copyrights shall be prima facie evidence of the particulars entered therein and documents purporting to be copies of any entries therein, or extracts therefrom, certified by the Registrar of Copyrights and sealed with the seal of the Copyright Office shall be admissible in evidence in all courts without further proof or production of the original.