Okla. Stat. tit. 19, § 19-1010: Retirement system - Workers' compensation

If, pursuant to the provisions of Chapter 37 of Title 11 of the

Oklahoma Statutes or of any statute supplemental thereto or of any

charter provision of the city, a retirement system is established

for the employees of the city, the employees of the city-county park

and/or recreation system may be included in that retirement system

on the same basis applicable to employees of the city, if the

commission so recommends and the board of county commissioners and

the governing body of the city approve. Nothing otherwise provided

by law shall operate to prohibit the appropriation of county funds

for the payment of the county's pro rata share of the contribution

to be made to the retirement fund on behalf of the employees of the

city-county park and/or recreation system. The city-county park and

recreation commission may, from funds appropriated for its use and

operation, procure and make available coverage for its employees

under the Workers' Compensation Act either by purchase of insurance

or by contract or plan of self insurance.