Okla. Stat. tit. 17, § 160.16

For those landowners who are paid based on the amount of electrical energy produced from the conversion of wind energy, the owner or operator of any wind turbine or wind energy facility shall provide a statement within ten (10) business days of the payment to the landowner in consideration for the use of the property of the landowner to generate electrical energy from the conversion of wind energy. The statement shall provide, at a minimum, information reasonably necessary to provide the landowner an understanding of the basis for the payment to the landowner and a means of confirming its accuracy.