• there is a 4 year and 6 year statute of limitations (as long as you're not committing direct fraud)

    I think this is overstating it. There's a 20 year discovery window for HMRC to assess tax affairs due to deliberate action, use of a hallmarked tax avoidance scheme or (and this is the one that I think could get lots of people) failure to notify liability.

    Those rules are pretty complex but I'd be very nervous about thinking undeclared income or gains are in the clear after 4 or 6 years, and if you suspect you have undeclared income or gains then the period is probably extended anyway as your failure to pay tax is arguable more than just careless, it's deliberate.

  • I think this is overstating it. There's a 20 year discovery window for HMRC to assess tax affairs due to deliberate action, use of a hallmarked tax avoidance scheme or (and this is the one that I think could get lots of people) failure to notify liability.

    Those rules are pretty complex but I'd be very nervous about thinking undeclared income or gains are in the clear after 4 or 6 years, and if you suspect you have undeclared income or gains then the period is probably extended anyway as your failure to pay tax is arguable more than just careless, it's deliberate.

    Yup, fair enough. Thought it would be clear that deliberate tax dodging is something you can't hide from. I did say in my post that there are different rules for deliberate acts.

    I was more thinking about the fact that the crypto rules for tax are rushed, poorly thought out, poorly explained, inconsistently applied and poorly enforced means that if you're doing your best, declaring everything and paying what you and your accountant think you owe you probably shouldn't have any sleepless nights.

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