; and (ii) uses any methods or modes of communication by which an Indian Tribe has requested to be notified of the availability of the tract for sale. (4) Tribal right of first refusal (A) Sale to Indian tribe If an interested Indian Tribe notified of the proposed sale of a tract of public land under paragraph (3) submits to the Secretary concerned a bid to buy the tract for fair market value by not later than 60 days after receiving the notification, the Secretary concerned shall sell the tract to the interested Indian Tribe. (B) Multiple bids (i) In general If more than 1 interested Indian Tribe submits a bid to purchase a tract of public land under subparagraph (A), the Secretary concerned shall defer the sale of the tract for a period of not more than 180 days, unless an extension is agreed to by the interested Indian Tribes that submitted bids and the Secretary concerned, to allow the Secretary concerned and interested Indian Tribes to develop a mutually agreeable sale of the tract to 1 or more interested Indian Tribes. (ii) Agreement If the Secretary concerned and the interested Indian Tribes reach an agreement under clause (i), the Secretary shall execute the terms of that agreement in accordance with applicable law (including regulations). (iii) Failure to reach agreement If, at the end of, as applicable, the 180-day period described in clause (i) or any extended period agreed to under that clause, the Secretary concerned and the interested Indian Tribes fail to reach an agreement regarding the sale of the applicable tract of public land, the Secretary concerned shall not, for a period of 5 years following the end of that 180-day period, offer the tract for sale. (C) Mandatory trust acquisition A tract of public land acquired by an interested Indian Tribe under this paragraph shall be taken into and held in trust by the Secretary of the Interior for the benefit of the interested Indian Tribe. (5) Appraisal standards The fair market value of a tract of public land to be sold under this subsection shall be