Learn how we detect and respond to people not complying with tax laws including how we apply penalties, investigate cases and support those who come forward with information.

Detecting non-compliance and investigations

Find out how we detect non-compliance and what happens during an investigation. 
Enforcing the law against deliberate non-compliance

We apply the full force of the law to anyone who deliberately avoids paying tax or provides false information to get a grant.
Voluntary disclosures and tip-offs

Let us know if you or someone else hasn’t met their tax obligations.
Penalty tax and interest

Penalty tax and interest apply if you fail to meet your tax obligations.