; and (2) effective as of the date on which the alteration occurred, any alteration of the land or interests in the land described in subsection (b) that is held or claimed by the United States (including conversion of the land to fee simple interest) that occurred after the date described in paragraph (1). . 3. Limitation on acquisition of land for Acadia National Park (a) Limitation Except as provided in subsection (b), the Secretary of the Interior (referred to in this Act as the Secretary ) may only acquire land or interests in land within the boundary of Acadia National Park or outside the boundary of Acadia National Park in Hancock or Knox County, Maine, in accordance with Public Law 99–420 ( 16 U.S.C. 341 note). (b) Exception The Secretary may conduct exchanges for land and interests in land described in subsection (a) in accordance with section 102901 of title 54, United States Code. 4. Solid waste management Section 102(f) of Public Law 99–420 ( 16 U.S.C. 341 note) is amended, in the second sentence, by striking toward the cost of constructing through the period at the end of the sentence and inserting the following: $350,000 to a regional consortium composed of units of local government located on, or in the vicinity of, Mount Desert Island, Maine, that is established for the purpose of improving the management of the disposal and recycling of solid waste. . 5. Acadia National Park Advisory Commission (a) In general The Secretary shall reestablish and appoint members to the Acadia National Park Advisory Commission in accordance with section 103 of Public Law 99–420 ( 16 U.S.C. 341 note). (b) Conforming amendment Section 103 of Public Law 99–420 ( 16 U.S.C. 341 note) is amended by striking subsection (f). 6. Repeal of certain provisions relating to Acadia National Park The following are repealed: (1) Section 3 of the Act of February 26, 1919 (40 Stat. 1178, chapter 45). (2) The first section of the Act of January 19, 1929 (45 Stat. 1083, chapter 77). 7. Modification of use restriction The Act of August