25 U.S.C. § 389c : US Code - Section 389C: Cancellation of charges in absence of lien or contract for payment

Search 25 U.S.C. § 389c : US Code - Section 389C: Cancellation of charges in absence of lien or contract for payment

Where irrigation assessments against any such lands remained
unpaid at the time the Indian title to such lands became
extinguished and no lien existed and attached to such lands for the
payment of charges so assessed and no contract for the payment of
such charges was entered into, the Secretary shall cancel all such
charges.