(a)
The department may issue a restricted class A driver’s license for the operation of any two-axle vehicle weighing 4,000 pounds or more unladen when towing a trailer coach exceeding 10,000 pounds gross vehicle weight rating, or a fifth-wheel travel trailer exceeding 15,000 pounds gross vehicle weight rating, when the towing of the trailer is not for compensation.(b)
In lieu of a report of a medical examination required by Section 12804.9, an applicant for a restricted license issued pursuant to subdivision (a) shall, upon application and every two years thereafter, submit medical information on a form approved by the department.
Source:
Section 12804.12, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=VEH§ionNum=12804.12..