There is hereby levied on each Cooperative an annual tax which shall equal two percent (2%) of the gross receipts derived by it from the sale and distribution of electric energy during the calendar year. The tax hereby levied shall be payable monthly according to, and as and when the statements shall be made as required in Section 2 of this act. The tax so levied or so imposed shall, when paid as herein provided, be in full and in lieu of any and all other taxes imposed by the state, counties, cities, towns, townships, school district, and other municipalities or political subdivisions of the state on the property of each such cooperative.
Okla. Stat. tit. 68, § 1803