47 C.F.R. § 73.641 Subscription TV definitions.
Title 47 - Telecommunication
(a) Subscription television. A system whereby subscription television programs are transmitted and received. (b) Subscription television program. A television boadcast program intended to be received in intelligible form for a fee or charge. [52 FR 6154, Mar. 2, 1987]
Title 47: Telecommunication
PART 73—RADIO BROADCAST SERVICES
Subpart E—Television Broadcast Stations
§ 73.641 Subscription TV definitions.

