Dear Ladies and Gentlemen, and IFA friends, welcome to the 72nd Congress of the International Fiscal Association (IFA) that is to take place in Seoul on 2-6 September 2018. Our main subjects will be (i) Seeking anti-avoidance measures of general nature and scope - GAAR and other rules, and (ii) Withholding tax in the era of BEPS, CIVs and digital economy.