Okla. Stat. tit. 68, § 68-2378: Other taxes not in lieu of income tax

All taxes, required to be paid under any other law of this state

in which law it is stated either, that such taxes are to be in lieu

of other taxes, or that the property on which the tax is levied

shall be subject to no other form of tax than therein provided, are

hereby declared to be in lieu of general ad valorem property taxes,

and shall not be construed to be in lieu of the net income tax

hereby levied.