There are several life and career changes that can affect how HMRC calculates your tax obligations. While some of these changes are reported by your employer or pension provider, there are four specific changes that workers must report to HMRC themselves.

These changes can be reported online or by contacting HMRC directly. More information is available here .

Failure to notify HMRC could result in workers paying the incorrect amount of tax. This could lead to either a tax refund or an additional tax bill at the end of the year. In more serious cases, if HMRC discovers that you've deliberately concealed these changes, the penalty could be as severe as doubling your tax bill. More information about penalties is available here.

The things that workers need to report to HMRC include chang

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