Fraud Reporting Details

Tags: CTIU

Keeping Anonymous

When you contact the Criminal Tax Investigation Unit about tax fraud you don’t need to give any information about yourself unless you want to. However, letting us have your details does mean we can make better and safe use of the information you give. All information will be treated confidentially.

Telephone Hotline

A confidential phone line for you to report somebody who is not paying their fair share of tax. This telephone number ONLY deals with tax fraud reporting. It does not deal with questions about taxes. Calling hours: 8:00am to 4:00pm, Monday to Friday. Closed Saturday, Sunday and public holidays 627-0654 (telephone)


Make a report online. By submitting information to us directly on the forms on the under mentioned link, your message is secured and will be treated confidentially. Send your emails to


You can write to us at the following postal address:

Criminal Tax Investigation Unit
PO Box 242
92 A Wrightson Road


You can also fax information to the Unit via its fax line at: 624-2627