Cal. Health & Safety Code § 119321

If an imminent health hazard is found, the enforcement officer may suspend a registration temporarily and order the practitioner to cease operation if the hazard is not corrected. If the hazard affects the entire body art facility, then the entire facility may be closed immediately. Whenever a registration or health permit is suspended as the result of an imminent health hazard, the enforcement officer shall issue to the registrant or permitholder a notice setting forth the acts or omissions being charged, specifying the pertinent code section, and informing the registrant or permitholder of the right to a hearing.