Exemption from customs duty for imports under Advance Authorisation, conditional on production, bonds and discharge of export obligation. Exempts imports under an Advance Authorisation for Annual Requirement with actual user condition from customs and additional duties subject to conditions: production of licence at clearance, authorisation content requirements identifying supporting manufacturers and export particulars, matching technical specifications for certain inputs, validity of self-declared authorisations upon prior filing with DGFT, and bonds or certifications where export obligation is unmet or CENVAT credit is availed. Exempt materials are restricted to export obligation fulfilment or replenishment, transfers for job work are regulated, and specified ports, airports, ICDs, LCSs and SEZs govern movement; Customs Commissioners may permit other locations by order.