Notwithstanding paragraph (3) of subdivision (a) of Section 3352, a volunteer, unsalaried member of a sheriff’s reserve in any county who is not deemed an employee of the county under Section 3362.5, shall, upon the adoption of a resolution of the board of supervisors declaring that the member is deemed an employee of the county for the purposes of this division, be entitled to the workers’ compensation benefits provided by this division for any injury sustained by him or her while engaged in the performance of any active law enforcement service under the direction and control of the sheriff.