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.
authority: 47 U.S.C. 154(i), 161, 303(g), 303(r), 332(c)(7), 1401-1473
source: 43 FR 54791, Nov. 22, 1978, unless otherwise noted.
cite as: 47 CFR 90.431