Section 25(3)(i) in The Special Economic Zones (Customs Procedures) Regulations, 2003
(i)the zone unit shall produce to the proper officer a verification report quarterly obtained from the jurisdictional Superintendent of Central Excise having jurisdiction over the of job-worker's unit to the effect that such moulds, jigs, tools, fixtures, tackles, instruments, hangers, patterns and drawings are lying in the job-worker' s premises and are being used for production of goods for export on account of zone unit;