Section 4(4)(i) in The Special Economic Zones (Customs Procedures) Regulations, 2003
(i)the zone unit or developer, as the case may be, shall file a bill of entry for home consumption in quintuplicate giving therein, complete description, model, make, specifications, purpose of import of goods such as trading, manufacturing, nature of goods such as capital goods, raw materials, spares, consumables, with specially stamped endorsement as " special economic zone cargo" alongwith bill of lading or airway bill, a invoice, packing list and purchase order or contract for noting of the bill of Entry in the zone;