Any authorized agent of the department shall have access to any factory or establishment that operates under permit from the department for the purpose of ascertaining whether or not the conditions of the permit are being complied with. Denial of access for such inspection shall be grounds for suspension of the permit until the access is freely given by the holder of the permit or his or her agent.
Source:
Section 110440, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=110440..