I have a workaround, contact53.
What I can suggest is to exclude those fraud transactions so it won't affect your tax calculation. You can follow these steps on how to do it:
- Go to the Transactions tab.
- Locate and check the transaction.
- Select Exclude.
It'd also be best to seek some guidance from your accountant to know the best way to deal with these transactions.
Here are some of the articles for your guide on how to categorize transactions:
Keep on posting if you need anything else. Have a great day!