1. The amount, date, customs declaration number, verification form number and customs clearance number of the original foreign exchange receipt. All relevant documents should be attached to the instruction manual. You need to see the outer tube. If you have already refunded the tax, you may need to pay the tax again.

2, but also trade contracts and importers to request returns and refunds.

3. All relevant documents should be attached to the manual for the foreign-related management department to read. If the tax refund has been made, it may be necessary to make up the tax.