Sec. 73.3556  Duplication of programming on commonly owned or time 
          brokered stations.

    (a) No commercial AM or FM radio station shall operate so as to 
devote more than 25 percent of the total hours in its average broadcast 
week to programs that duplicate those of any station in the same service 
(AM or FM) which is commonly owned or with which it has a time brokerage 
agreement if the principal community contours (predicted or measured 5 
mV/m groundwave for AM stations and predicted 3.16 mV/m for FM stations) 
of the stations overlap and the overlap constitutes more than 50 percent 
of the total principal community contour service area of either station.
    (b) For purposes of this section, duplication means the broadcasting 
of identical programs within any 24 hour period.
    (c) Any party engaged in a time brokerage arrangement which 
conflicts with the requirements of paragraph (a) of this section on 
September 16, 1992, shall bring that arrangement into compliance within 
one year thereafter.

[ 57 FR 18093 , Apr. 29, 1992, as amended at  57 FR 42706 , Sept. 16, 1992]

    Effective Date Note:  At  57 FR 18093 , Apr. 29, 1992, Sec. 73.3556 
was added, effective August 1, 1992. At  57 FR 35763 , Aug. 11, 1992, the 
effective date was deferred pending action by the agency. At  57 FR 37888 , Aug. 21, 1992, the effective date was further deferred. At  57 FR 42706 , Sept. 16, 1992, paragraph (a) was revised and paragraph (c) was 
added, effective September 16, 1992. The agency will publish a notice of 
the effective date of paragraph (b) in the Federal Register at a later 
date.