Okla. Stat. tit. 82, § 82-641: Bond of county treasurer

Before receiving the aforesaid "Assessment Book" the treasurer

of each county in which lands or other property of the district are

located, shall execute to the board of directors of the district a

bond with at least two good and sufficient sureties or a surety

company, and which shall be paid for by the district in a sum not

less than the probable amount of any annual levy of said assessment

to be collected by him during any one (1) year, on condition that

said treasurer shall pay over and account for all assessments so

collected by him according to law. Said bond after approval by said

board of directors shall be deposited with the secretary of the

board of directors who shall produce same for inspection and use as

evidence whenever and wherever lawfully requested so to do.