Cal. Health & Safety Code § 18876.1
(b)
(2)
(A)
(e) The training described in this section shall focus upon and include, at minimum, all of the following applicable subject areas:
(i) The management of a mobilehome park or recreational vehicle park shall post a copy of the certificate issued by the department pursuant to this section in a conspicuous location onsite. In the case of a mobilehome park, the certificate shall be located near the sign required by Section 18253.5. If the management is out of compliance with the requirements of this section, the department shall provide written notice to management indicating that management has 60 days from the date the notice is sent to come into compliance with this part or it may receive a civil penalty issued by the department.