Using systems

Find out how to add up to 99 goods records to your declaration at once by uploading a CSV file in the Trader Support Service.

Find out how to identify, understand and resolve Import Control System 2 (ICS2) errors returned when submitting entry summary declarations through the Trader Support Service.

Find out how to identify, understand and resolve Customs Declaration Service errors returned when submitting declarations through the Trader Support Service.

How to use the Northern Ireland Online Tariff to find commodity codes, import duties, taxes and import controls.