The Opening Ceremony will take place on April 4 from 17h45 to 20h00 at the Palais des Congrès, Auditorium A (Grand Amphithéâtre). The main entrance on that day will be from the level 0. Hostesses will be onsite to guide.
The Welcome Cocktail will take place after the Opening Ceremony from 20h00 to 21h00 at the Palais des Congrès, Hall Passy D (level+1). The access will be from the Paris Side Escalator (on your right when entering the congress venue).
Both event do not require badges.