Okla. Stat. tit. 68, § 68-2909: Persons 65 years of age or older or totally disabled

person - Proof supporting claim - Forms.

Every person filing a claim under Sections 104 through 111 of

this act shall furnish the Oklahoma Tax Commission information and

proof of age, household members, disability, amount of property

taxes paid, changes, if any, of households, amount of gross income

of household, and such other information as the Oklahoma Tax

Commission may require. Claims and supporting proof must be on

forms prescribed by the Oklahoma Tax Commission.