; release of claims; conveyance of easements (a) Settlement land If the Tribe provides the waiver, release of claims, and conveyance described in subsection (b), then, at the request of the Tribe, the Secretary shall immediately place the Settlement Land into trust for the benefit of the Tribe, subject to— (1) any valid existing rights of any third parties of record; and (2) approval of the form and content of any and all instruments of conveyance. (b) Waiver and release of claims and conveyance of interests in lands The Secretary shall be required to carry out the obligations of subsection (a) not later than 6 months after the Secretary’s receipt from the Tribe of— (1) a waiver and release of any and all of its claims in law or equity against the United States for the unauthorized taking of the Inundated Land; and (2) confirmation that the Tribe has conveyed to the Secretary of Defense such easements to the Inundated Land as are necessary to confirm in the United States a perpetual right to overflow, flood, and temporarily or permanently inundate the Inundated Land in connection with the operation and maintenance of the Mississippi River Navigation Project. (c) Reservation of rights and retention of claims Notwithstanding the waivers and releases authorized in this Act, the Tribe shall retain any and all claims accruing after the date upon which the Secretary receives the waiver, release of claims, and conveyance described in subsection (b). (d) Status of lands and interests in lands Upon the Secretary’s placement of the Settlement Land into trust for the benefit of the Tribe pursuant to subsection (a), the Settlement Land shall be deemed to be part of the Tribe’s Reservation and to have been reserved for the Tribe as of the first date that the Inundated Land was accepted in trust for the Tribe.