IUAES membership will not be paid twice in 2021. Thus, those people who have already paid their membership fee to participate at the Croatia congress will only have to pay the registration fee for the IUAES Yucatan congress.
Fees (August 2 to October 2, 2021)
Students and Professionals Low Income (<12,000 USD per year)
48 USD (20 USD IUAES membership included)
Professionals Medium Income (12,000 to 26,000 USD annually)