Duty credit scrip exemption: imports under RoSCTL qualify for customs and additional duty relief subject to registration, production, and eligibility. Imports against a RoSCTL duty credit scrip are exempt from customs duty under the First Schedule and from specified additional customs duties, subject to conditions: scrips must be issued for eligible garment and made up exports under the RoSCTL and Foreign Trade Policy within prescribed shipment periods; scrips must be registered at the port and produced at clearance for debit; scrips and imported goods are transferable; non claim of additional duty exemption is deemed non availment for calculation purposes; drawback or CENVAT credit may be claimed against debits; certain export categories are ineligible.