Okla. Stat. tit. 52 § 92
The Commission is hereby authorized and empowered by orders, rules or regulations issued by it to require all takers of oil in or out of any prorated common source of supply to make and file periodically with the Commission, at such time or times, as often as the Commission shall in such orders, rules, and regulations provide, reports of all oil purchased and/or transported by such takers within or from such prorated fields, and that duplicate copies thereof shall be filed with the Proration Umpire. Said reports shall be upon forms prescribed by the Commission and shall describe the leases and properties, and, if ordered by the Commission, the wells from which crude oil has been taken by any such taker, and the amount thereof, and shall contain such other information as will enable or assist the Commission in enforcing the provisions of this act, which may be required by the orders, rules and regulations of the Commission; and shall be verified by the maker thereof upon oath.
Okla. Stat. tit. 52, § 92