Guinea Bissau ECTN Required Documents

Last Updated: March 10, 2026

To apply for a Guinea Bissau ECTN, you must submit a standard set of documents that provide key shipment details such as the parties involved, goods details and value.

Incomplete or incorrect documents can cause delays, fines or issues at the discharge port. This guide outlines each required document, what it includes, and important notes.

Bill of Lading

What It Is:

A document issued by the carrier or shipping line, confirming the shipment details and voyage information.

What We Need From It:

  • Shipper and consignee
  • Notify party
  • Vessel and voyage
  • Port of loading & discharge
  • Container numbers & seal numbers
  • Description of goods

Important Notes:

  • Final, dated MBL is required prior to validation
  • Shipper, consignee and notify parties address must match between all documents
  • Weight on export declaration must match the BL
  • Shipper owned containers must have the tare weight mentioned on the BL

Commercial Invoice

What It Is:

A document showing the value of the goods being shipped.

What We Need From It:

  • Goods value
  • Currency
  • Incoterm

Important Notes:

  • Must match the goods description on the bill of lading

Freight Invoice

What It Is:

A document showing the cost of the ocean freight.

What We Need From It:

  • Freight value

Important Notes:

  • Not required if the freight value is listed on the commercial invoice

Customs Declaration or Export Declaration

What It Is:

An official document filed with customs in the country of export

What We Need From It:

  • HS codes
  • Declared value
  • Reference number

Important Notes:

  • Statistical value on export declaration must match the commercial invoice
  • Weight on export declaration must match the BL