1. Short title This Act may be cited as the Acadia National Park Boundary Clarification Act . 2. Acadia National Park boundary clarification Section 101 of Public Law 99–420 ( 16 U.S.C. 341 note) is amended— (1) in the first sentence, by striking In order to and inserting the following: (a) Boundaries Subject to subsections (b) and (c)(2), to ; (2) in the second sentence— (A) by striking The map shall be on file and inserting the following: (c) Availability and revisions of maps (1) Availability The map, together with the map described in subsection (b)(1) and any revised boundary map published under paragraph (2), if applicable, shall be— (A) on file ; and (B) by striking Interior, and it shall be made and inserting the following: Interior; and (B) made ; (3) by inserting after subsection (a) (as designated by paragraph (1)) the following: (b) Schoodic Peninsula addition (1) In general The boundary of the Park is confirmed to include approximately 1,441 acres of land and interests in land, as depicted on the map entitled Acadia National Park, Hancock County, Maine, Schoodic Peninsula Boundary Revision , numbered 123/129102, and dated July 10, 2015. (2) Ratification and approval of acquisitions of land Congress ratifies and approves— (A) effective as of September 26, 2013, the acquisition by the United States of the land and interests in the land described in paragraph (1); and (B) effective as of the date on which the alteration occurred, any alteration of the land or interests in the land described in paragraph (1) 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 subparagraph (A).