The State Fire Marshal or his salaried deputies may make an examination of the books and records of any licensee or permittee relative to fireworks, and may visit and inspect any building or other premises subject to the control of, or used by, the licensee or permittee for any purpose related to fireworks of any licensee or permittee at any time he may deem necessary for the purpose of enforcing the provisions of this part.
Ca. Health and Saf. Code § 12555