All attendees who register prior to February 27, 2021 will receive a considerable discount. A second wave ends on April 30, 2021.
Have a look at the pricing table.
To benefit from the free membership, included in the registration for International non ISGE members and Developing countries non ISGE members, you need to register on the ISGE-site for a membership.
After registration for the congress, you will receive a discount code that will allow you to get the free membership.