Notwithstanding the provisions of subsections (a) and (c), the secondary transmission to the public of a performance or display of a work embodied in a primary transmission is actionable as an act of infringement under section 501, and is fully subject to the remedies provided by sections 502 through 506, if the primary transmission is not made for reception by the public at large but is controlled and limited to reception by particular members of the public: Provided, however, That such secondary transmission is not actionable as an act of infringement if—