Okla. Stat. tit. 58, § 58-385c: Hearing on petition - Notice

If it appears to the court, from such verified petition and the

evidence that it is necessary and for the best interest of said

estate to mortgage the whole of such real estate or any part

thereof, except the homestead, for the purposes and reasons herein

set forth, the county judge of the district court shall by order set

a time for hearing the petition and shall give and issue notice

thereof and cause copies of such notice to be mailed to each of the

heirs at law, devisees, and legatees of the decedent, whose

addresses are known, at least fifteen (15) days prior to such

hearing, and shall cause notice thereof to be published in a

newspaper of general circulation in the county where said hearing is

to be held for two (2) weeks in a weekly paper, or ten (10) days in

a daily paper, prior to such hearing. The notice shall contain a

description of the property sought to be mortgaged, the amount of

the proposed mortgage and the purpose or purposes therefor.