Okla. Stat. tit. 19, § 19-247: Accounts must be filed within two years - Exception

No account against the county shall be allowed unless presented

within two years after the same accrued: Provided, that should any

person having a claim against the county be (at the time the same

accrued) under any legal disability, every such person shall be

entitled to present the same within one year after such disability

shall be removed.