Okla. Stat. tit. 69, § 69-641: Contract by farmers as to expenses and for return of

machinery.

(a) The board of county commissioners may not permit the use of

such machinery and equipment, as provided in the preceding section,

until the farmer desiring the use thereof shall make and enter into

a contract with such county, providing that the farmer shall pay all

expenses incurred in moving the machinery and equipment and the

upkeep thereof, and that the same shall be returned to the county in

as good condition as it was when received, the usual wear and tear

alone excepted.

(b) The farmer shall further, to enforce the compliance with

such contract, deposit a bond with the board of county commissioners

guaranteeing the compliance with such contract and the payment for

oil and gas, etc., such bond to be approved by the board, or, in

lieu of such bond, shall make a cash deposit in such sum as may be

required by the board; provided, that no farmer shall be liable for

major breakage of such equipment.