Original sentence: Although there has been some commerce in the sale of these "tickets", the Vatican has never given third parties the authority to sell tickets.Invitations can also be reserved for free from Prefettura Pontificia
Edited sentence: Although it is known that there has been some commerce in the sale of these "tickets", it should be remembered that no one has ever had any special authorisation or contract with the Vatican to "sell" tickets or otherwise gain any other advantage save a grateful smile for helping with delivery.Invitations can also be reserved for free from Prefettura Pontificia via fax at (0039) 06-6988.5863 (address to "Prefettura della Casa Pontificia - Città del Vaticano" and ask for confirmation at (0039) 06-6988.3017); additionally, you can try to directly telephone at the same number.Prefettura's offices are open on every working day (Monday to Friday) 09:00 to 13:00 local time (UTC+1).The address is Casa Santa Maria dell'Umiltà, Via dell'Umiltà 30, 00187, Rome, Italy (tel.What here above refers to "public audiences", held on every Wednesday at Sala Nervi (Aula Paolo VI); for private audiences, which would need to be justified by exceptional circumstance, contact local embassy (Nunziatura apostolica)