Okla. Stat. tit. 62, § 62-481: Purchase of county warrants by officer prohibited

No officer of any county shall directly or indirectly contract

for or purchase any warrant issued by the county of which he is an

officer at any discount whatever, upon the sum due thereon; and if

any such officer shall so purchase or contract to purchase any such

warrant he shall not be allowed in settlement the amount of said

warrant or any part thereof, but shall forfeit the full amount due

thereon, to be recovered by civil action in the suit of the state

for the use of the county.