Federal law. (2) Off-reservation use The Tribe may allocate, distribute, and lease the Tribal water right for off-Reservation use in accordance with the Settlement Agreement, subject to the approval of the Secretary. (3) Leases by allottees (A) In general An allottee may lease any interest in land held by the allottee, together with any water rights determined to be appurtenant to that interest in land, in accordance with the Tribal Water Code. (B) Off-reservation use An allottee may lease any water rights determined to be appurtenant to its allotment for off-Reservation in accordance with the Settlement Agreement, subject to the approval of the Secretary. (f) Tribal water code (1) In general Not later than 3 years after the enforceability date, the Tribe shall enact a Tribal Water Code, that provides for— (A) the management, regulation, and governance of all uses of the Tribal water right in accordance with the Settlement Agreement and this Act