Sec.  76.106   Exceptions.

   (a) Notwithstanding the requirements of  Sec.  Sec. 76.101 through 76.105, a broadcast
   signal is not required to be deleted from a cable community unit when that
   cable community unit falls, in whole or in part, within that signal's grade
   B contour, or when the signal is significantly viewed pursuant to  Sec. 76.54 in
   the cable community.

   (b) The provisions of  Sec.  Sec. 76.101 through 76.105 shall not apply to a cable
   system serving fewer than 1,000 subscribers. Within 60 days following the
   provision of service to 1,000 subscribers, the operator of each such system
   shall file a notice to that effect with the Commission, and serve a copy of
   that notice on every television station that would be entitled to exercise
   syndicated exclusivity protection against it.