Okla. Stat. tit. 57 § 69
In order to protect the health and safety of certain law enforcement personnel and the citizens of this state, and to provide the state with the benefit of proper security within the county jails and correctional facilities of this state, all jailers, jail directors, keepers of the jail, sheriffs, deputies, correctional employees, or any other law enforcement personnel working within the county jail or correctional facility may, upon the approval of the sheriff or facility head, be served the same meals served to the prisoners within such county jail or correctional facility. There shall be no cost to the law enforcement personnel for such meals. The county sheriff or facility head shall pay for these meals out of the funds appropriated to the county sheriffs or the State Department of Corrections. The county and all of its officers and agents are hereby prohibited from recouping the cost of such meals either directly or indirectly or otherwise considering such costs or their impact when establishing the charges to municipalities for housing municipal prisoners in the county jail; provided, a municipality may negotiate the manner of establishing such charges.
Okla. Stat. tit. 57, § 69