Improved Self Assessment registration service launched
HM Revenue and Customs (HMRC) has launched an improved registration service making it easier than ever to register for Self Assessment.
Categories: unique taxpayer reference
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Tax advisers: check if you need to register under new rules
A new registration requirement for tax advisers, who are paid to interact with HM Revenue and Customs (HMRC) on behalf of clients, rolls out online from Monday 18 May 2026.