SoleTrader1

Is the SA109 a part of the self assessment? Or a specific form to use for self assessment? Could you please share the link to purchase the commercial tax return?

Hi I contracted (self-employed) for an Australian company while physically working in their UK offices in FY24. I have done the test online and I was not a UK tax resident in FY24. I was paid into my Australian bank account for the work I did while in the UK. I did register for self-assessment recently, as I contracted again in the UK in FY25, but will this time be a tax resident in FY25. I received a letter stating that I must lodge a self assessment (and when I answer 'yes' to being a sole trader in FY24, the tool tells me I need to submit a self assessment too). This is confusing as I don't believe I was a tax resident. 1. If I was not a tax resident in FY24, have I incorrectly signed up for self assessment for FY24? 2. If not, and I do indeed need to submit a self assessment, which form do I use? The self assessment form says it is not for use for non-residents. Thanks