Some of the documents involved in customs clearance are :
1. Exports Documentation: Purchase order from Buyer, Sales Invoice, Packing List, Shipping bill, Bill of Lading or air way bill, Certificate of Origin and any other specific documentation as specified by the buyer, or as required by financial institutions or LC terms or as per importing country regulations.
2. Imports Documentation: Purchase Order from Buyer, Sales Invoice of supplier, Bill of Entry, Bill of Lading or Air way bill, Packing List, Certificate of Origin, and any other specific documentation required by the buyer, or financial institution or the importing country regulation.
Of course, Management Study Guide doesn’t get into the intricacies of customs clearance. The above is still just skimming the surface.