; 16 U.S.C. 833 et seq.); (5) since 1946, the Bureau of Reclamation has approved 9 modifications to the project use power contracts between the Bureau of Reclamation, the Kinsey Irrigation Company, and the Sidney Water Users Irrigation District; (6) the project use power contracts in effect on the date of enactment of this Act provide electric service to the Kinsey Irrigation Company and the Sidney Water Users Irrigation District at the Program rate of 2.5 mills per kilowatt-hour, including wheeling, through 2020; and (7) the Kinsey Irrigation Company and the Sidney Water Users Irrigation District have reasonably relied on the authority of the Act of May 18, 1938 (52 Stat. 403, chapter 250; 16 U.S.C. 833 et seq.), and the fact that the Bureau of Reclamation has treated the Kinsey Irrigation Company and the Sidney Water Users Irrigation District as irrigation pumping units of the Program for more than 74 years. (b) Authorization Notwithstanding any other provision of law and subject to subsection (c), the Secretary of the Interior (acting through the Commissioner of Reclamation) shall continue to treat the irrigation pumping units known as the Kinsey Irrigation Company in Custer County, Montana, and the Sidney Water Users Irrigation District in Richland County, Montana, or any successor to the Kinsey Irrigation Company or Sidney Water Users Irrigation District, as irrigation pumping units of the Program for the purposes of wheeling, administration, and payment of project use power. (c) Limitation The quantity of power to be provided to the Kinsey Irrigation Company and the Sidney Water Users Irrigation District (including any successor to the Kinsey Irrigation Company or the Sidney Water Users Irrigation District) under subsection (b) may not exceed the maximum quantity of power provided to the Kinsey Irrigation Company and the Sidney Water Users Irrigation District under the applicable contract for electric service in effect on the date of enactment of this Act.