Okla. Stat. tit. 58, § 58-962

Upon the filing of such petition the district court in which

said estate of said decedent, minor or incompetent person is being

administered shall set the matter for hearing not less than four (4)

weeks after the date of filing said petition, and notice thereof

shall be given to the heirs, devisees and legatees of said decedent,

or the next of kin of said minor or incompetent person, whose names

and addresses are known, by mail not less than twenty (20) days

prior to said hearing, and by publication for not less than three

(3) consecutive weeks prior to such hearing as to heirs, devisees

and legatees of said deceased person, or the next of kin of said

minor or incompetent person whose names and addresses be not known.

If the court shall find upon hearing that it is necessary for

the preservation of the value of said property, or its rental value,

to lease said property, the court shall direct that the

administrator, administrator with will annexed or executor of such

deceased person, or the guardian of such minor or incompetent person

shall advertise that said property will be leased on the best terms

available, subject to confirmation by court, and that said proposed

lease or leases shall be presented to the court at the date therein

fixed, not less than four (4) weeks following the date of said

order, and notice of said proposed leasing shall be given by

publication for not less than three (3) consecutive weeks and by

mailing a copy of such notice to the heirs, devisees and legatees of

such deceased person, or the next of kin of such minor incompetent

person, whose names and addresses are known, not less than twenty

(20) days prior to the date fixed.