Okla. Stat. tit. 58, § 58-388: Sale of personalty

After appointment and qualification, the executor or

administrator may apply for an order to sell personal property at

either public auction or private sale. Upon filing his petition,

notice must be mailed to all heirs, legatees and devisees whose

addresses are known not less than ten (10) days prior to the hearing

of the application. He may also make a similar application, from

time to time, so long as any personal property remains in his hands.