Hi Pedr0HM
Once you are logged in to your Personal Tax Account (PTA):
- click on Pay As You Earnm (PAYE) section
- click on check current tax year/hyperlink >
- scroll down and click on (i) Understand your tax code
this will then show you the allowances you are entitled to, the tax codes against all sources of income and how made up.
Further details that can reviewed or actioned via the Personal Tax Account can be found at
Personal tax account: sign in or set up
Thank you