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Tip off Customs 

Tip-off hotline and Tip-off form

Online tip-off form

In urgent cases concerning customs offences, you can call Customs’ free-of-charge tip-off number, 0800 1 4600 (24 h).

You can use the Customs online tip-off form for non-urgent reports of suspicious or illegal activity, such as the smuggling of narcotics or other goods, and misuses of fuel.

You can send tip-offs about suspected car tax evasion to the Tax Administration on