Import Duty.
A tax imposed by a government on goods from other countries. Increased prices on imported goods make these products less "desirable" so buyers are encouraged to support the domestic market.
GST.
Goods & Services Tax. This tax is charged in stages, then reimbursed to everyone except the end buyer. It’s different from VAT because it’s a flat-rate percentage of the total transaction, instead of a percentage of value added.
VAT Tax.
Otherwise known as Value Added Tax. This tax is charged to consumers when they buy any good or service.
Commercial invoice.
A required document in international shipping that describes the items in the shipment and their value. Commercial couriers and customs brokers refer to this document to process and clear your package through customs.