Note the following:
1. The documents provided for off-site customs declaration and local customs declaration are the same. Invoice, packing list, customs declaration, canceling the bill, customs declaration power of attorney. The other is according to the goods to provide customs supervision conditions required documents.
2. If it is a foreign trade company tax rebate, the business unit is registered there, in that rebate.
Three months after the customs declaration must go to the tax refund procedures, there is a statute of limitations, the expiration date can not be refunded. The content of the customs declaration and the invoice of the tax increase must be the same, and vice versa, can not be refunded.
If you are a simple trading company, customs clearance only to the customs broker or your freight forwarder to do more appropriate, after all, they are familiar with the business and regulations, provided that their credibility is good, efficient, which will provide you with a lot of convenience.