14. "Zone A" shall comprise all the Member States and all other countries which are full members of the Organisation for Economic Cooperation and Development (OECD) and those countries which have concluded special lending arrangements with the International Monetary Fund (IMF) associated with the Fund's general arrangements to borrow (GAB). Any country which reschedules its external sovereign debt is, however, precluded from Zone A for a period of five years; 15. "Zone B" shall comprise all countries not in Zone A;