See article 4C House Rules for Spectators (Ticket Holders):
No form of unauthorized publicity, commercial or otherwise, and no form of political propaganda, appearing on flags, banners, clothing, sportswear, accessories or, more generally, on any article of clothing or equipment whatsoever worn or used by spectators, athletes or other participants in the events is permitted. However, this shall not apply to identification of the manufacturer of the article or equipment concerned, provided that such identification shall not be marked conspicuously for the purposes of advertising.
and article 5A House Rules for Spectators (Ticket Holders):
|Persons entering venues are prohibited from bringing any of the following items without authority: Any banners, propaganda, leaflets, and/or other promotional and display materials, the contents of which are discriminatory, political, or have any association with the activities described in para. (4) c. and d. above;|