Each cooperative and each foreign corporation transacting business in this State pursuant to the Rural Electric Cooperative Act (18 O.S.1961 Sections 437 - 437.30) shall pay annually, on or before the Thirty-first day of August, to the Tax Commission, a fee of One Dollar ($1.00) for each one hundred persons or fraction thereof to whom electricity is supplied within the state by it, as of June 30th preceding, but shall be exempt from all other excise and income taxes whatsoever.
Laws 1963, c. 366, § 2; Laws 1965, c. 215, § 2.