The Secretary may authorize transfers of title or changes in use in accordance with the provisions of section 869-2 of this title with respect to any patent heretofore issued under any Act upon application by a patentee qualified to obtain a conveyance under section 869-1(a) or 869-1(c) of this title. If the Secretary, pursuant to such an application, authorizes such transfer or use, all reverter provisions and other limitations on transfer or use, under sections 869 to 869-4 of this title or any other Act affecting the lands involved, shall cease to be in effect twenty-five years after the Secretary authorizes the transfer or use for a changed or additional purpose under the provisions of this section.
43 U.S.C. § 869-3