Sec.  73.3543   Application for renewal or modification of special service
authorization.

   (a) No new special service authorization will be issued. However,
   consideration will be given to renewal or modification of a special service
   authorization which was outstanding on February 3, 1958, providing a
   satisfactory showing has been made in regard to the following, among others:

   (1) That the requested operation may not be granted on a regular basis under
   the existing rules governing the operation of AM stations;

   (2) That experimental operation is not involved as provided for by  Sec. 73.1510
   (Experimental authorizations); and

   (3) That public interest, convenience and necessity will be served by the
   authorization requested.

   [ 44 FR 38496 , July 2, 1979]