Wyo. Stat. § 16-6-110: Limitation on work hours; overtime; exceptions.

(a) No person shall require laborers, workmen or mechanics to work more than eight (8) hours in any one (1) calendar day or forty (40) hours in any one (1) week upon any public works of a public entity except as hereafter authorized. A laborer, workman or mechanic may agree to work more than eight (8) hours per day or more than forty (40) hours in any week, provided the laborer, workman or mechanic shall be paid at the rate of one and one-half (1 1/2) times the regularly established hourly rate for all work in excess of forty (40) hours in any one (1) week. This section does not apply:

(i) In case of emergency caused by fire, flood or danger to life or property; or

(ii) To work upon public or military works or defenses in time of war.