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I am trying to register for self assessment to obtain a UTR and complete a 2021/22 tax return, using the online form, but i have received this email message, and I am sure that everything was entered correctly:
Unfortunately we are unable to process your registration form for Self Assessment as the form is incomplete.
The form cannot be sent incomplete - thus the message makes no sense. I have tried to contact HMRC by phone to seek clarification - however, I get an automated voice which is difficult to listen to because it always breaks up. After about 10 minutes of this I get cut off. I have no idea of where I am going wrong. All I am trying to do is receive a tax rebate for a contribution to my SIPP and would use another means of reclaiming this tax if this was possible.