Any reclamation contract heretofore entered into by any district with the United States for any of the purposes enumerated in Section two [73-18-2 NMSA 1978] hereof, together with any and all action taken by or on behalf of a contracting district in pursuance thereof, is hereby ratified, validated and confirmed and such contract is hereby declared to be and the same shall remain a valid and subsisting obligation of the contracting district and all the real property within the contracting district shall be and remain liable to be assessed in the manner in this act [73-18-1 to 73-18-24 NMSA 1978] provided, for payments to become due to the United States under such contract until fully paid.
NMS § 73-18-21