UK
general
Effective 2026-08-20Form: Tell HMRC your Stamp Duty Land Tax scheme reference number
Use form AAG4(SDLT) to tell HMRC of a scheme reference number given to you for a Stamp Duty Land Tax (SDLT) avoidance scheme you have used.
Use form AAG4(SDLT) to tell HMRC of a scheme reference number given to you for a Stamp Duty Land Tax (SDLT) avoidance scheme you have used.
Source
HMRChttps://www.gov.uk/government/publications/tax-avoidance-schemes-stamp-duty-land-tax-scheme-reference-number-aag4-sdlt
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unitedkingdomtariffhmrc