; (B) copies or representations of important legislative and institutional milestones of Congress during the time before the Time Capsule is buried; (C) a message from Congress to the future Congress when the Time Capsule will be opened; and (D) such other content as the offices described in paragraph (1) consider appropriate. (3) Consultation In carrying out this subsection, the offices described in paragraph (1) may consult with the Architect of the Capitol, the Secretary of the Smithsonian Institution, and such other entities of the Federal Government as the offices consider appropriate. (c) Duties of Architect The Architect of the Capitol shall— (1) prepare the Time Capsule to be sealed and buried on the West Lawn of the Capitol, at a location specified by the Architect, on or before July 4th, 2026, at a time which would permit individuals attending this event to also attend the burial of a time capsule in Independence Mall in Philadelphia, Pennsylvania under section 7(f)(1) of the United States Semiquincentennial Commission Act of 2016 ( 36 U.S.C. 101 note prec.); and (2) install a plaque to provide such information about the Time Capsule as the Architect considers appropriate. (d) Unsealing The Time Capsule shall be sealed until July 4th, 2276, on which date the Speaker of the House of Representatives shall present the Time Capsule to the 244th Congress, and such Congress shall determine how the contents within should be preserved or used. (e) Authorization of appropriations There are authorized to be appropriated such sums as may be necessary to carry out this Act, and any amounts so appropriated shall remain available until expended.