Okla. Stat. tit. 11, § 11-49-128: Appeals

Any person possessing the qualifications required and provided

for under this article, who deems himself aggrieved by a decision of

the State Board on his or her claim for pension, either in rejecting

his or her claim or in the amount allowed by the Board, or

participating municipality, may appeal from such decision by filing

a petition in the Oklahoma County District Court within thirty (30)

days from the date of such decision.