UK
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Effective 2026-07-31Form: Tell HMRC your tax avoidance scheme reference number
Use form AAG4 to tell HMRC of a scheme reference number given to you for a tax avoidance scheme you have used.
Use form AAG4 to tell HMRC of a scheme reference number given to you for a tax avoidance scheme you have used.
Source
HMRChttps://www.gov.uk/government/publications/tax-avoidance-schemes-notification-of-scheme-reference-number-by-scheme-user-aag4
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unitedkingdomhmrc