We recommend putting only the duty rate for the HS Code used for your primary product. For record keeping on your current SRNs and future SRNs, you can put the duty rate for your primary product and any additional tariffs.

Yes - you do need to separate your Commercial Invoices. And each CI should show the total cost for your products and other fees for each shipment. The HS Codes should also correctly reflect the market for the shipment.

Yes, nearly all costs associated with the purchase of your product are dutiable.

You may find that your HS Code is similar to your suppliers. However, 99% of the time, your supplier provides you the HS Code for China.

You must verify that the code is the full and correct code for the market you are shipping to.