Okla. Stat. tit. 17, § 17-158.54: Notice of public hearing - Expenses and security

Notice, in a form to be specified by the Corporation Commission,

of the public hearing to be held pursuant to Section 4 of this act

shall be mailed, or shall be given in such other manner as may be

determined by the Commission, by the rural electric cooperative to

its customers within ten (10) business days after it has received

notice of the hearing from the Commission. The expenses of

preparation and mailing and giving of such notice shall be borne by

the person filing the statement required by Section 2 of this act.

As security for the payment of such expenses, the Commission may

require such person to file with the Commission an acceptable bond

or other deposit in an amount to be determined by the Commission.