Cal. Government Code - GOV § 53250. Section 53250.
The legislative body of a city or a fire protection district in which there is a regularly organized paid fire department or county fire warden department, shall grant to each regular or permanent member of the department an annual leave of absence from active duty of not less than fifteen consecutive days. It shall also grant each member a leave of absence from active duty of not less than four working shifts in each month of service.