Okla. Stat. tit. 36, § 941.2

Motor vehicle liability policies - Provision relating to financial responsibility limits of another state or province. Every motor vehicle liability insurance policy approved by the Insurance Commissioner shall include a provision providing that the financial responsibility limits of another state or province shall be met if so required by the other state and if the financial responsibility limits of the other state or province are higher than those required by the state where the motor vehicle is principally garaged. The policy does not have to contain the exact wording of this section or any other exact wording. Language which is substantially similar to this section shall be considered to be in compliance with this section.