47 C.F.R. § 90.431 Unattended operation.
Title 47 - Telecommunication
No person is required to be in attendance at a station when transmitting during normal rendition of service and when either: (a) Transmitting for telemetering purposes; or, (b) Retransmitting by self-actuating means a radio signal received from another radio station or stations.
Title 47: Telecommunication
PART 90—PRIVATE LAND MOBILE RADIO SERVICES
Subpart N—Operating Requirements
§ 90.431 Unattended operation.
