A shipping document is a document issued by freight forwarder that you entrust to deliver the goods to you. It is used to indicate the goods in transit or to prove that the goods have been delivered. The documents used for different modes of transport are also different. For example, in the ocean bill of lading, air waybill, railway waybill, there is the expressway bill that we often use, also belongs to the transport document. In our foreign trade business, the most used is the bill of lading. Ocean bill of lading means a receipt for the goods issued to the shipper by the carrier or the freight forwarding company upon receipt of the goods. It is not only a document of title to the goods, but also a contract of carriage. The date of issue of the bill of lading is the date of shipment. The attached documents are the basic customs clearance documents according to the requirements of the letter of credit or the customer's country. Generally the documents we refer to include: packing list, invoice, draft, certificate of origin (CO and FORM A), bill of lading, insurance policy and various certificates, etc. Generally, this is the date of our negotiation documents: 1. The date of bill of lading cannot exceed the shipping period specified by L / C nor earlier than the earliest shipping period of L / C; 2. The issue date of the policy should be earlier than or equal to the date of the bill of lading (generally 2 days before the bill of lading), not earlier than the invoice; 3. The packing list should be equal to or later than the invoice date, but it must be before the bill of lading date; the certificate of origin should be no earlier than the invoice date and no later than the bill of lading date; 4. The date of the commodity inspection certificate is not later than the date of the bill of lading, but the date of the bill of lading must not be excessive, especially for fresh goods, and the goods that are easily deteriorated; 5. Proof of beneficiary: equal to or later than the date of bill of lading; 6. Shipping notice: equal to or later than three days after the date of bill of lading; 7. Shipping company certificate: equal to or earlier than the bill of lading date.