47 C.F.R. § 73.293 Use of FM multiplex subcarriers.
Title 47 - Telecommunication
Licensees of FM broadcast stations may transmit, without further authorization, subcarrier communication services in accordance with the provisions of §§73.319 and 73.322. [51 FR 17028, May 8, 1986]
Title 47: Telecommunication
PART 73—RADIO BROADCAST SERVICES
Subpart B—FM Broadcast Stations
§ 73.293 Use of FM multiplex subcarriers.