Okla. Stat. tit. 68, § 68-2914: County treasurer - Collection of taxes

The county treasurer of each county upon receipt of the tax

rolls shall proceed with the collection of the taxes as therein

extended, issuing, in triplicate, receipts upon all collections,

delivering the original to the taxpayer and filing the triplicate

with the county clerk. Such receipts shall be, in manner and form,

the same as the tax rolls, and shall have endorsed thereon in red

ink the amount of delinquent taxes levied against the property.