If no person within sixty (60) days after the will has been admitted to probate contests the same or the validity thereof, the probate of the will is conclusive. Laws 1961, p. 442, § 2.
Okla. Stat. tit. 58, § 242
Probate of will as conclusive
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.