You can make a tax deductible gift to the Cap Annual Fund through the Princeton Prospect Foundation.

Princeton Prospect Foundation (PPF) is an IRC section 501(c)(3) organization whose primary purposes are (a) to facilitate the preservation and restoration of the historically and architecturally significant buildings owned and occupied by Princeton University eating clubs (each a “Club”) and to educate the general public about the history and architecture of the buildings and (b) to further the education of students belonging to the Clubs.