Okla. Stat. tit. 59, § 59-15.28: Prima facie evidence

The displaying or uttering by an individual or entity not

registered in accordance with the Oklahoma Accountancy Act of a

card, sign, advertisement, or other printed, engraved, or written

instrument or device bearing the name of the individual or entity in

conjunction with the words “Certified Public Accountant” or “Public

Accountant” or any abbreviation thereof shall be prima facie

evidence in any action brought pursuant to the provisions of the

Oklahoma Accountancy Act that the individual or entity whose name is

so displayed or uttered caused or procured the display or uttering

of such card, sign, advertisement or other printed, engraved or

written instrument or device, and that such individual or entity is

representing himself, herself or itself to be a certified public

accountant, public accountant or CPA, PA or entity holding a valid

permit.