Okla. Stat. tit. 43, § 43-551-312: Costs, fees, and expenses

COSTS, FEES, AND EXPENSES

A. The court shall award the prevailing party, including a

state, necessary and reasonable expenses incurred by or on behalf of

the party, including costs, communication expenses, attorney's fees,

investigative fees, expenses for witnesses, travel expenses, and

child care during the course of the proceedings, unless the party

from whom fees or expenses are sought establishes that the award

would be clearly inappropriate.

B. The court may not assess fees, costs, or expenses against a

state unless authorized by laws other than this act.