Section 97.111 Authorized transmissions
(a) An amateur station may transmit the following types of two-way communications:
(2) Transmissions necessary to exchange messages with a station in another FCC-regulated service while providing emergency communications;
(3) Transmissions necessary to exchange messages with a United States government station, necessary to providing communications in RACES; and
(4) Transmissions necessary to exchange messages with a station in a service not regulated by the FCC, but authorized by the FCC to communicate with amateur stations. An amateur station may exchange messages with a participating United States military station during an Armed Forces Day Communications Test.
(b) In addition to one-way transmissions specifically authorized elsewhere in this Part, an amateur station may transmit the following types of one-way communications:
(2) Brief transmissions necessary to establishing two-way communications with other stations;
(3) Telecommand;
(4) Transmissions necessary to providing emergency communications;
(5) Transmissions necessary to assisting persons learning, or improving proficiency in, the international Morse code;
(6) Transmissions necessary to disseminate information bulletins;
(7) Transmissions of telemetry.