Okla. Stat. tit. 58, § 58-104: Objections to issue of letters - Letters of administration

with will annexed.

Any person interested in a will may file objections in writing,

to granting letters testamentary to the persons named as executors,

or any of them; and the objections must be heard and determined by

the court. A petition may at the same time, be filed for letters of

administration, with will annexed.