If, after granting letters of administration on the ground of intestacy, a will of the decedent is duly proved and allowed by the court, the letters of administration must be revoked, and the power of the administrator ceases, and he must render an account of his administration within such time as the court shall direct.
Okla. Stat. tit. 58, § 218
Letters of administration revoked on proof of will
R.L.1910, § 6289.
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.