; (2) the Uniform Standards of Professional Appraisal Practice; (3) appraisal instructions issued by the Secretary; and (4) shall be performed by an appraiser mutually agreed to by the Secretary and the City. (b) Equal value exchange The values of the Federal and non-Federal land parcels exchanged shall be equal, or if they are not equal, shall be equalized as follows: (1) Surplus of Federal land value If the final appraised value of the Federal land exceeds the final appraised value of the non-Federal land, the City shall reduce the amount of land it is requesting from the Federal Government in order to create an equal value in accordance with section 206(b) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1716(b) ). Land that is not exchanged because of equalization under this paragraph shall remain subject to lease under the Recreation and Public Purposes Act. (2) Use of funds Any cash equalization moneys received by the Secretary under paragraph (1) shall be— (A) deposited in the fund established under Public Law 90–171 (commonly known as the Sisk Act ; 16 U.S.C. 484a )