National Calamity Contingent Duty exemption: specified imported goods relieved from equivalent additional customs duty under notification. The Central Government exempts goods specified in column (3) of the Table in the Seventh Schedule to the Finance Act, 2001, as amended by clause 161 of the Finance Bill, 2003, when imported into India, from that portion of the additional customs duty which is equivalent to the National Calamity Contingent Duty created by the Finance Act and given provisional force by the Provisional Collection of Taxes Act, under Notification No. 30/2003-Customs dated 1-3-2003.