Okla. Stat. tit. 52, § 52-106: Notice on filing of motion or petition

Upon the filing of any motion or petition for order or orders of

enforcement, as provided in the preceding section of this act, the

Secretary of the Commission, in the name of the Commission and by

him as its Secretary, shall issue a notice to the defendant or

defendants named in such motion or petition, which said notice shall

be addressed to the defendant or defendants in said petition, and

shall state, (a) the filing of such motion or petition; (b) the

order or orders, rule or rules, regulation or regulations of the

Commission, or the provisions of this act, violations of which are

charged therein; (c) the common source of supply in or with respect

to which such violation has occurred or is occurring; (d) the date

on which said motion or petition is set for hearing, which shall be

on such date as shall be provided by order, rule or regulation of

the Commission, but shall not be earlier than ten (10) days from the

date of the issuance of such notice; and (e) a copy of said motion

or petition filed in said cause shall be attached to said notice,

and if any temporary order of enforcement shall have been made by

the Commission in said proceedings, reference to such order shall be

contained in said notice and a copy thereof shall be attached to

said notice, in order that service of the same upon the defendant or

defendants may be made at the same time as the service of said

notice.