Common Income Tax Mistakes Individuals Should Avoid

Very few people get into tax difficulty because they tried something clever. It is almost always something ordinary — a form filled in a hurry, an interest certificate nobody downloaded, an old bank account nobody remembered.

The first mistake is treating the return as the whole job. A return is a summary of a year that has already happened. If the records behind it were never kept, the return becomes guesswork, and guesswork is what later turns into a query.

The second is ignoring income that does not arrive as salary. Interest from deposits, gains from selling investments, rent, freelance payments — these are easy to leave out and easy for the department to see, because they are reported by whoever paid you.

The third is not reconciling your own figures with the tax credit and annual information statements available to you before filing. Differences are common and usually harmless, but they are far cheaper to explain now than to defend later.

The fourth is claiming deductions without keeping the proof. A deduction you cannot evidence is not a saving; it is a liability waiting for a letter.

Finally, changing your address, email or phone number and not updating it. Notices are served digitally. A notice you never read still counts as served.