Okla. Stat. tit. 68, § 68-1203: Tax on domestic corporations and business organizations

For tax year 2023 and previous tax years, there is hereby levied

and assessed a franchise or excise tax upon every corporation,

association, joint-stock company and business trust organized under

the laws of this state, equal to One Dollar and twenty-five cents

($1.25) for each One Thousand Dollars ($1,000.00) or fraction

thereof of the amount of capital used, invested or employed in the

exercise of any power, privilege or right inuring to such

organization, within this state; it being the purpose of this

section to require the payment to this state this tax for the right

granted by the laws of this state to exist as such organization and

enjoy, under the protection of the laws of this state, the powers,

rights, privileges and immunities derived from the state by reason

of the form of such existence.