47 CFR § 73.4250
Subliminal perception
February 16, 2021
(a) See Public Notice, FCC 74-78, dated January 24, 1974. 44 FCC 2d, 1016; 39 FR 3714, January 29, 1974.
(b) See FCC Information Bulletin, “Subliminal Projection”, dated November 1977.
[44 FR 36389, June 22, 1979]