Originally posted by Aspidistra
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- A professional contract review.
- A CEST determination (ideally completed by both parties and signed).
- A Confirmation of Arrangements letter
- Records of specific events that support your conclusions (e.g., e-mails informing the client about time off vs. asking for permission, records of substitutions undertaken, evidence of lack of control etc. This is a very long list of possibilities.)
But you wouldn't be sharing any of this directly w/ HMRC. It would go to your professional representative first.



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