Use the form AAG4(IHT) to let HM Revenue and Customs (HMRC) know your scheme reference number for Inheritance Tax schemes.
Use form AAG4(IHT) to disclose your Inheritance Tax scheme reference number to HMRC.
You can either:
- email the form
- print the form, fill in by hand and post to HMRC
Related forms and guidance
Forms to disclose tax avoidance schemes Forms you must use to notify HMRC of a tax avoidance scheme, arrangement or proposal.