Paper presented to the International Seminar on Fiscal Policy Development and Planning in Islam, organised by I.I.I.E. at Islamabad in July 1986. Customs Drawback Union is not a just proposal. It lays the burden of adjustment on‘ the deficit country. The study assumes that all countries of the region would accept a common tariff, which is unrealistic. The benefits of the CDU are doubtful. For economists. Analytical. Undocumented.