فقد ظل الأونكتاد يعمل بوصفه أمانة النظام الشامل للأفضليات التجارية ويقدم الدعم للمشاركين فيه.
South-South trade cooperation was yet another area where UNCTAD's contribution was significant, as UNCTAD had been acting as the secretariat of and provided support to the participants of the GSTP.