47 C.F.R. § 101.203 Communications concerning safety of life and property.
Title 47 - Telecommunication
(a) Handling and transmission of messages concerning the safety of life or property which is in imminent danger must be afforded priority over other messages. (b) No person may knowingly cause to be transmitted any false or fraudulent message concerning the safety of life or property, or refuse upon demand immediately to relinquish the use of a radio circuit to enable the transmission of messages concerning the safety of life or property which is in imminent danger, or knowingly interfere or otherwise obstruct the transmission of such messages.
Title 47: Telecommunication
PART 101—FIXED MICROWAVE SERVICES
Subpart D—Operational Requirements
§ 101.203 Communications concerning safety of life and property.