California Mileage Reimbursement Law requires employers to reimburse employees for all vehicle expenses incurred on the job. The employee must not use the vehicle for personal use (other than commuting).The use of privately-owned automobiles for approved work is permissible provided it is done during the course of the employee's scheduled hours of work. As of January 2021, California employers are responsible for paying 56 cents per mile as mileage reimbursement. Mileage reimbursement refers to the payment employees receive for using their personal vehicles for work purposes. In the state of California, employers are generally expected to reimburse employees for business expenses such as travel costs and equipment. Personal Vehicle Mileage Reimbursement Rates​​ Employees must have advance approval to drive a personal vehicle on state business. Under Section 2082 in California, employers have essential obligations to fulfill when employees use personal vehicles for work. Every employee whose driver license and vehicle registration is from other than. Under California law, commuting time to and from work normally does not constitute "hours worked" and is not compensable.