Cal. Health & Safety Code § 18090

The department shall forthwith mail a notice of the filing of any application for registration of a manufactured home, mobilehome, commercial coach, or truck camper previously registered outside this state upon written request of the governmental officer, agency, or authority which made the last registration of the manufactured home, mobilehome, commercial coach, or truck camper outside this state. The notice shall contain the same data as required on the application filed with the department. This section shall not apply to manufactured homes, mobilehomes, commercial coaches, or truck campers last registered in a foreign province or country.