40 U.S.C. § 6135 : US Code - Section 6135: Parades, assemblages, and display of flags in the Supreme Court Building and grounds

Search 40 U.S.C. § 6135 : US Code - Section 6135: Parades, assemblages, and display of flags in the Supreme Court Building and grounds

It is unlawful to parade, stand, or move in processions or
assemblages in the Supreme Court Building or grounds, or to display
in the Building and grounds a flag, banner, or device designed or
adapted to bring into public notice a party, organization, or
movement.