There are two ways to check the customs declaration number. I. China Electronic Port System Query and log in to the "China Electronic Port" system, and click the export declaration form. Customs declaration number 18. Please note that this "entry and exit date" is not the "export date" of the customs declaration. Second, the announcement query of customs declaration number directly searches for "announcement query of customs declaration number" or directly enters the URL in the web search. Enter the relevant number and click "Query" to query.

The declaration form of import and export goods refers to a legal document that the consignee or consignor of import and export goods or his agent makes a written statement on the actual situation of import and export goods in accordance with the format stipulated by the customs, so as to require the customs to go through customs clearance procedures for their goods in accordance with the applicable customs system. It has a very important legal status in foreign economic and trade activities. It is not only an important basis for customs supervision, taxation, statistics, inspection and investigation, but also an important certificate for verification of import and export goods in processing trade, export tax rebate and foreign exchange management. It is also an important document for the customs to handle illegal smuggling cases and the tax and foreign exchange administration departments to investigate and deal with tax fraud and arbitrage crimes.

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