California Code, Health and Safety Code - HSC § 1765.150

(a) The mobile unit shall be of sufficient size and shall be arranged in a manner that is appropriate for the provision of those health care services that it is licensed to provide.

(b) The mobile unit shall be equipped with appropriate utilities for the comfort and safety of patients. The Office of Statewide Health Planning and Development shall review and approve hospital-provided utility connections for mobile units that require utility hookups with general acute care hospitals.

(c) The mobile unit shall be maintained in good repair and in a clean and sanitary manner.

(d) All proposed modifications to previously approved services and procedures shall be reviewed and approved by the state department before they are implemented. Modifications to the mobile service unit shall be approved by the Department of Housing and Community Development pursuant to Section 18029.

(e) The licensee shall report to the department the location of the site at least 24 hours prior to the operation of a mobile unit at any site for the first time.

(f) Notification required by subdivision (e) shall be waived when the mobile unit operates at any site for the first time at the request of federal, state, or local authorities for the purposes of responding to state or locally declared emergencies as defined in subdivisions (a), (b), and (c) of Section 8558 of the Government Code, federally declared emergencies, and declared public health emergencies as defined in Section 101080 for the duration of the emergency.