Okla. Stat. tit. 12, § 12-922: Affidavit in forma pauperis

The affidavit provided for in the preceding section shall be in

the form following, and attached to the petition, viz.:

State of Oklahoma, ____________ County, ____________, in the

district court of said county: I do solemnly swear that the cause

of action set forth in the petition hereto prefixed is just, and I

(or we) do further swear that by reason of my (or our) poverty, I am

unable to give security for costs.