Glossing over one important tax code could help you determine whether you're owed money from HM Revenue and Customers (HMRC).
The five-digit code, which can be found on any of your payslips, help determine which tax band you're in. It's not uncommon for an employee to discover that they've been placed in the wrong tax band and thus could have been paying more than they should have in taxes.
In this case, you could be owed a significant refund, with potentially £1,000s up for grabs depending on your circumstances and how long you've been overpaying on tax.
However, it's important to note that you may also be underpaying tax due to having the wrong code. In this case, you would have to repay any outstanding money that you owe HMRC in taxes.
Read more on manchestereveningnews.co.uk