Okla. Stat. tit. 11, § 11-2-107: Effect of incorporation - Filing - Judicial notice -

Challenges.

The order declaring incorporation of a municipality, issued by

the board of county commissioners as provided in Sections 3-105, 4-

105 and 5-104 of this title or issued by the town board of trustees

as provided in Section 4-103 of this title, shall be recorded in the

office of the county clerk in the county in which the situs of the

municipality is located and filed in the office of the Secretary of

State and in the archives of the municipality. The order shall be

conclusive evidence of incorporation in all suits by or against the

municipality and shall be judicially noticed in all court

proceedings without specifically pleading or alleging incorporation.

Anyone wishing to challenge the formation, incorporation or

organization of an incorporated municipality must bring action in

the district court in the county in which the situs of the

municipality is located within sixty (60) days after the date of the

order declaring incorporation.