Okla. Stat. tit. 19 § 641
If any county treasurer or other officer or person charged with the collection, receipt, safekeeping, transfer or disbursement of the public money, or any part thereof, belonging to the state or to any county, precinct, district, city, town or school district of the state shall convert to the officer's or person's own use or to the use of any other person, body corporate or other association, in any way whatever, any of such public money, or any other funds, property, bonds, securities, assets or effects of any kind received, controlled or held by such officer or person by virtue of such office or public trust for safekeeping, transfer or disbursement, or in any other way or manner, or for any other purpose; or shall use the same by way of investment in any kind of security, stocks, loan property, land or merchandise, or in any other manner or form whatever; or shall loan the same, with or without interest, to any person, firm or corporation, except when authorized by law; or if any person shall advise, aid, or in any manner knowingly participate in such act, such county treasurer, or other officer or person shall be guilty of an embezzlement. Upon conviction thereof, such county treasurer or other officer or person shall be punished as provided in subsection C of Section 1451 of Title 21 of the Oklahoma Statutes.
Okla. Stat. tit. 19, § 641