Okla. Stat. tit. 11, § 11-29-158: Collection of tax - Delinquency

The county assessor shall compute and enter in respective

columns of the tax rolls the respective sums in dollars and cents to

be paid on each piece of property therein enumerated. The county

clerk shall certify to the county treasurer in the county where the

district or any part thereof is located the amount of assessment in

each fund levied upon each tract. The county treasurer shall enter

the amount of each in separate columns of the tax list of the

county. The assessments shall be collected by the county treasurer

at the same time and in the same manner as all other taxes are

collected in this state. Costs associated with the collection of

the assessments incurred by the county treasurer shall be paid from

the proceeds of the district. If any assessment becomes delinquent,

it shall draw interest as a penalty after delinquency at the rate of

eighteen percent (18%) per annum. All assessments and penalties

collected or received by the county treasurer pursuant to this act

shall be paid to the municipal treasurers for the benefit of the

public safety protection district.