Cal. Penal Code § 30631
Sections 30600 and 30605 do not apply to the loan of an assault weapon to, nor the possession of an assault weapon by, a person enrolled in the course of basic training prescribed by the Commission on Peace Officer Standards and Training, or any other course certified by the commission, while engaged in firearms training and being supervised by a firearms instructor, if the following requirements are met:
(b) The enrollee has met the minimum peace officer hiring standards as stated in Sections 1029, 1030, and 1031 of the Government Code prior to entry to the course and is currently employed by any of the following: