85-7-1935. Lands under irrigation -- limits on charges for costs. Where lands already under irrigation are included in any district, the water and irrigation works irrigating the same belonging to the owner of said lands, such lands shall not be charged with any tax or assessment for construction or for payment of the interest or principal of any bonds issued to secure money for construction or purchase of the district irrigation works or for any payments other than for operation and maintenance due or to become due under any contract between the district and the United States, accompanying which bonds of the district have not been deposited with the United States as provided in 85-7-1906, except with the consent of the owner thereof, which consent shall be filed with the recorder of deeds of the county in which such lands are situated. Such lands shall be assessed for administrative and maintenance purposes the same as other lands in the district.