 It comprises a permanent seven-member Superior Chamber "(Sala Superior)," located in Mexico City, and five Regional Chambers "(Salas Regionales)," one in each of the circumscriptions into which the country is divided for purposes of organising congressional elections.These Regional Chambers comprise three judges each, and are temporary in nature, sitting only during those years in which federal elections are held, and are based in the cities of Guadalajara, Monterrey, Xalapa, Mexico City, and Toluca.The architect of the Federal Electoral Tribunal in Monterrey, was reputed Mexican architect Manuel De Santiago-de Borbón González Bravo, great-grandson of Queen Isabella II of Spain, whose lifetime architectural legacy to Mexico amounts to 11,000,000 built square meters nationwide, including many famous buildings and sites.