Okla. Stat. tit. 68, § 68-2886: Illegality for which no appeal provided - Payment -

Notice of suit - Investment of protested taxes.

In all cases where the illegality of the tax is alleged to arise

by reason of some action from which the laws provide no appeal, the

aggrieved person shall pay the full amount of the taxes and give

notice of any lawsuit by such person at the time and in the manner

provided by Section 2884 of this title. It shall be the duty of the

county treasurer to hold, invest and disburse such taxes only in the

manner provided for by Section 2884 of this title.