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MCI is the official mandated organizing bureau for this event.

You may be contacted by phone, fax, or email by third party companies that act as travel agencies, wholesalers or destination management companies with aggressive or deceptive tactics to solicit you for services or information.

If you are contacted by companies unrelated to EcoCity2023 or if they represent themselves as the official congress secretariat EcoCity2023 , please obtain as much information as you can, such as the name of the company, the person calling and their telephone number, and then contact MCI at +41 22 33 99 576 or email