Okla. Stat. tit. 26, § 26-5-126: Hearing of contest

The petition may be heard without formal pleadings being filed

in answer or reply thereto. The election board with whom the

petition is filed shall have the authority to issue subpoenas and

compel the attendance of witnesses and the production of evidence.

Such election board shall have the authority to receive the

testimony of witnesses under oath, said oath to be administered by

the secretary of the board. At the conclusion of the hearing, the

board shall render its decision and the vote of the individual

members in writing. The decision of such board shall in all cases

be final.