Tax avoidance schemes: Inheritance Tax scheme reference number (AAG6(IHT))
Use form AAG6(IHT) if you're an Inheritance Tax scheme promoter and need to give your client your avoidance scheme reference number.
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Form AAG6 (IHT) is no longer current government policy/activity.
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Related forms and guidance
Forms to disclose tax avoidance schemes
Find out which form to use in different circumstances.