Summary
HMRC only allows one active Making Tax Digital (MTD) for Income Tax authorisation at a time. How to remove the link between Sage and HMRC.
Description
To remove the authorisation, sign in to your HMRC online services account. From there, manage the software you've authorised to act on your behalf.
Once you remove Sage from your authorised software, you can connect to your new provider. Follow the authorisation steps your new software provides.
If you need further help
If you can't find the option to remove the authorisation, contact HMRC directly. They can also help with any other questions about your HMRC account.