If that's the situation, you have got to deliver your request by e-mail, inside of 1 month on the date for which the reservation was made, to [email protected] or by write-up to Musée du Louvre – Help billetterie – 75058 PARIS CEDEX 01. There may be an exhibition about https://opensocialfactory.com/story14612210/not-known-facts-about-louvre-museum