My account is disabled and I am unable to do anything due to it being disabled due to a lack of ID. I have spoken to people over the phone but they haven't been able to help. When I submit last year's tax return it says the document must be within 12 months and it was made in June 2020. So I get an email saying that they are unable to confirm my identity because it is not from within the last 3 months. What should I do to resolve this?