Whenever any member of the police department of any municipality is unable to perform the member's duties because of sickness or temporary disability caused or sustained while in the discharge of the member's duty as such member, notwithstanding the provisions of Sections 11 and 12 of Title 85 of the Oklahoma Statutes, the salary shall be paid by the municipality to the member and shall continue while the member is sick or temporarily disabled for a period of not more than six (6) months with the municipality having the option of extending the period for up to an additional six (6) months, not to exceed a total of twelve (12) months, after which said period the provisions for permanent total or permanent partial disability benefits of the Oklahoma Police Pension and Retirement System shall apply. Should a member receiving a salary under this section be eligible to receive, and should the salary of the member under this section exceed any temporary disability benefit paid to the member under Section 1 et seq. of Title 85 of the Oklahoma Statutes, the member shall transfer said temporary disability benefits under Section 1 et seq. of Title 85 of the Oklahoma Statutes to the municipality while the member is sick or temporarily disabled.