Directs the Architect of the Capitol to create a congressional time capsule for the nation's 250th anniversary, to be buried on the Capitol's West Lawn by July 4, 2026 and opened in 2276.

• Leaders of the House and Senate jointly decide what goes in the capsule, including materials about the Semiquincentennial, milestones of Congress, and a message to the future Congress.
• The Architect of the Capitol prepares the capsule and buries it on the West Lawn by July 4, 2026, timed so attendees can also attend a burial in Philadelphia.
• The Architect of the Capitol may install a plaque with information about the capsule.
• The capsule stays sealed until July 4, 2276, when the Speaker of the House presents it to the 244th Congress.

• Transportation and Infrastructure Committee (House)
• Economic Development, Public Buildings, and Emergency Management Subcommittee
• Committee on House Administration (House)
• Rules and Administration Committee (Senate)

Congress