; duration An appraisal conducted under paragraph (1) shall— (A) be submitted to the Secretary and the Administration for approval; and (B) remain valid for 3 years after the date on which the appraisal is approved by the Secretary and the Administration under subparagraph (A). (5) Dispute resolution If, by the date that is 90 days after the date of submission of an appraisal for review and approval under paragraph (4)(A), the Secretary and the Administration do not agree to accept the findings of the appraisal with respect to any parcel of land or interest in land to be exchanged, the dispute shall be resolved in accordance with section 206(d)(2) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1716(d)(2) ). (b) Equalization of values If the total value of the State land described in paragraph (2) of the Agreement and the total value of the Federal land and interests in Federal land described in paragraph (3) of the Agreement, as determined under subsection (a), are not equal— (1) the value shall be equalized in accordance with paragraph (5) of the Agreement