Hi,
After logging into your Personal Tax Account, click on the Self Assessment tile on the homepage. Select ‘ More details about your Self Assessment returns and payments’, then select the link
‘More Self Assessment details’. On the page that follows, select ‘Tax Return Options’, then choose the tax year you wish to file from the drop down menu. If any of these steps are not
present, contact our online services by webchat or phone via:
Technical support with HMRC online services
Thank you.