47 C.F.R. § 97.403 Safety of life and protection of property.
Title 47 - Telecommunication
No provision of these rules prevents the use by an amateur station of any means of radiocommunication at its disposal to provide essential communication needs in connection with the immediate safety of human life and immediate protection of property when normal communication systems are not available.
Title 47: Telecommunication
PART 97—AMATEUR RADIO SERVICE
Subpart E—Providing Emergency Communications
§ 97.403 Safety of life and protection of property.