The buyer is required to ___ ___ years ___ months out of the package deal before the letter of credit, otherwise, The seller the right to: cancel the contract without notice or to accept the buyer about the non-implementation of this whole or in part, or so claims for losses suffered. (13) documents: the seller should have been shipped negotiating bank to provide clean bill of lading, invoices, China Commodity Inspection Office or factory issued by the quality of proof, issued by China Commodity Inspection Bureau of the quantity / weight of the signing of the book; if the conditions of this contract, according to CIF, should provide a further transferable insurance policy or insurance certificate.