US HB6243

Architect of the Capitol must create a "Semiquincentennial Congressional Time Capsule" to commemorate the 250th anniversary of the United States

Contents determined jointly by the Speaker of the House, House Minority Leader, Senate Majority Leader, and Senate Minority Leader, and must include a joint letter from these offices plus commemorative coins minted by the Treasury

Time capsule limited to 50 inches wide, 32 inches deep, and 48 inches high, with contents restricted to low-degradation materials like metal or archival paper

Capsule to be sealed and buried in the Capitol Visitor Center on or before July 4th, 2026, with an informational plaque installed at the site

Capsule remains sealed until July 4th, 2276, when the Speaker of the House presents it to the 244th Congress to determine how to preserve or use the contents