First of all, you need Baidu to read the customs declaration encyclopedia and understand the customs declaration knowledge.

There are several ways to get the customs declaration number.

Ask the customs agent directly. Under normal circumstances, the agent will take the initiative to ask the freight forwarder for the newly issued customs declaration form.

Second, it takes a little longer to wait for the return of the declaration form of foreign exchange settlement and tax refund, which depends on the customs declaration time of the means of transport, that is to say, the time for the shipping agent to deliver the warehouse receipt to the customs is usually three or four days faster and almost one month slower.

3. Electronic port inquiry. This method first determines that the write-off form has been used and can be queried after use. Indicates that the write-off document has been approved or used. Click the logout form number to view the title information. There are two or three forgotten customs declarations behind 18, and the number from the front is the paper customs declaration number.

4. Inquiries about issuing port bills of lading. Usually, the bill of lading number is used to query the customs clearance information. The customs clearance information mainly displays the number, release time, ship name, voyage bill of lading number and weight scale after the customs declaration number.

5. Pre-entry and inspection through qp4.0 customs declaration form,

I won't elaborate on six or seven.