Section 18550 Of Article 1. General Provisions From California Health And Safety Code >> Division 13. >> Part 2.1. >> Chapter 5. >> Article 1.

. It is unlawful for any person to use or cause, or permit to be used for occupancy, any of the following manufactured homes or mobilehomes wherever the manufactured homes or mobilehomes are located, or recreational vehicles located in mobilehome parks:
  (a) Any manufactured home, mobilehome, or recreational vehicle supplied with fuel, gas, water, electricity, or sewage connections, unless the connections and installations conform to regulations of the department.
  (b) Any manufactured home, mobilehome, or recreational vehicle that is permanently attached with underpinning or foundation to the ground, except for a manufactured home or mobilehome bearing a department insignia or federal label, that is installed in accordance with this part.
  (c) Any manufactured home or mobilehome that does not conform to the registration requirements of the department.
  (d) Any manufactured home, mobilehome, or recreational vehicle in an unsafe or unsanitary condition.
  (e) Any manufactured home, mobilehome, or recreational vehicle that is structurally unsound and does not protect its occupants against the elements.