47 CFR § 90.415 - Prohibited uses.
§ 90.415 Prohibited uses.
Stations licensed under this part shall not:
(a) Transmit program material of any kind for use in connection with broadcasting; or
(b) Render a communications common carrier service, except for stations in the Public Safety Pool providing communications standby facilities under § 90.20(a)(2)(xi) and stations licensed under this part in the SMR, private carrier paging, Industrial/Business Pool, or 220-222 MHz services.