California Code, Vehicle Code - VEH § 12804.15

(b)(1) Except as provided under paragraph (2), no person may operate a house car unless that person has in his or her possession a valid driver's license of the appropriate class and an endorsement thereto issued by the department to permit operation of the house car.

(2) A nonresident may not operate a house car in this state unless that person is in possession of an out-of-state driver's license authorizing the operation of that vehicle.

(1) The applicant successfully completes an examination prescribed by the department to determine qualification for the endorsement.

(2) Upon initial application and every two years thereafter, the applicant submits medical information on a form approved by the department to verify that the person meets the minimum medical requirements established by the department for operation of a house car.

(3) Upon application for issuance of an original driver's license or renewal driver's license pursuant to subdivision (b) of Section 12804.10, there shall be paid to the department a fee of thirty-four dollars ($34) for a license that will expire on the applicant's fifth birthday following the date of the application.