Hi davidmzinc davidbmiller,
To add your Self Assessment to your Personal Tax Account account
you will would need to remove the service from your Business Tax Account.
Please follow this guidance to remove a service,
•
HMRC online services: sign in or set up an account
• select the radio button 'sign in
• sign in to your Business Tax Account (BTA)
• select 'Manage Account' under the 'Business Tax Account' header
• select 'stop access to a tax, duty or scheme' from the heading ‘Remove a tax, duty or scheme from your account online.
• if you have more than one service on the account
you will be asked ‘Which online service do you need to stop using? select the service you want to remove and
select ‘continue’.
• the next page asks, ‘Are you sure you want to remove your organisation’s access?
• select 'Remove access’.
• you will see an onscreen confirmation stating, ‘you have removed access to (name of service removed)
• select ‘continue’.
Then you will need to login to the PTA account
• select the link ‘Request access to your Self-Assessment’.
• they will be asked to prove your identity.
• select ‘continue’.
• follow the online prompts to complete the identity check.
Thank you.