Sec.  25.162   Cause for termination of interference protection.

   The protection from interference afforded by the registration of a receiving
   earth station shall be automatically terminated if:

   (a) The request for registration is not submitted to the Commission within 3
   months of the completion of the frequency coordination process, except as
   provided for in  Sec. 25.203;

   (b) The receiving earth station is not constructed and placed into service
   within 6 months after completion of coordination;

   (c) The Commission finds that the station has been used less than 50% of the
   time during any 12 month period;

   (d) The Commission finds that the station has been used for an unlawful
   purpose or otherwise in violation of the Commission's rules, regulations or
   policies;

   (e) The Commission finds that the actual use of the facility is inconsistent
   with what was set forth in the registrant's application; or

   (f) The Commission finds that the frequency coordination exhibit, upon which
   the granted registration is based, is incomplete or does not conform with
   established coordination procedures.