16 U.S.C. § 450jj–10

(a) Redesignation The Jefferson National Expansion Memorial established under sections 450jj to 450jj–9 of this title shall be known and designated as the “Gateway Arch National Park”. (b) References Any reference in a law, map, regulation, document, paper, or other record of the United States to the Jefferson National Expansion Memorial shall be considered to be a reference to the “Gateway Arch National Park”.