29 CFR § 1926.201 - Signaling.

(a) Flaggers. Signaling by flaggers and the use of flaggers, including warning garments worn by flaggers, shall conform to Part 6 of the MUTCD (incorporated by reference, see § 1926.6).

(b) Crane and hoist signals. Regulations for crane and hoist signaling will be found in applicable American National Standards Institute standards.

[44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6, 1979, as amended at 67 FR 57736, Sept. 12, 2002; 78 FR 35567, June 13, 2013; 84 FR 21577, May 14, 2019]