Cal. Code Regs. tit. 8, § 7150
(e) Every qualified hoistman shall be given a thorough physical examination at least once a year by a physician licensed to practice medicine in California. The physician shall complete an examination form prescribed by the Division and send it to the employer after signing, detaching, and delivering the lower part to the applicant for posting in the hoist house.
No man shall be permitted to hoist or lower men until he has successfully passed the physical examination.