You can contact the HMRC Fraud Hotline in any way that is convenient to you. You don't need to give your details, but if you do you could receive a cash reward.
You can contact the HMRC Fraud Hotline by:
- phone (free) on Tel 0800 788 887
Contacting Customs Hotline by telephone from outside the UK
If you are outside the UK, you can call Tel 0203 080 0871.
You do not need an international dialling code and your call will be answered by English-speaking officers.