The US dollar remitted by domestic bonded area enterprises to foreign trade companies is equivalent to foreign currency. We can write off and refund the tax according to the foreign exchange paid by enterprises in the bonded area. If goods enter the bonded area and then leave the bonded area, the bonded area does not supervise foreign exchange and there is no safe. You can directly use the exit list and contract to go to the bank for tax refund. This situation is equivalent to ordinary enterprises. The tax refund process is: 1, and the relevant documents will be submitted for inspection and the registration form will be obtained within 30 days. 2. Declaration and acceptance of tax refund registration. 3. Fill in and issue the export tax refund registration certificate. 4. Change or cancellation of export tax refund registration.