(c)
Exclusion for Grants of Security Interests.—
Subsection (a) shall not apply to—
(1)
a transfer of copyright ownership consisting solely of a mortgage, hypothecation, or other security interest; or
(2)
a subsequent transfer of the copyright ownership secured by the security interest described in paragraph (1) by or under the authority of the secured party, including a transfer through the exercise of the secured party’s rights or remedies as a secured party, or by a subsequent transferee.
The exclusion under this subsection shall not affect any rights or remedies under law or contract.