Upon filing of the petition, the court shall fix a time, place and date for hearing the petition which date shall be not less than ten (10) nor more than thirty (30) days from the filing of the petition. Notice shall be given as provided by law for hearing of a petition for probate or other wills. Proof of such notice shall be made and filed as in other estate proceedings.
Okla. Stat. tit. 58, § 1103