Form: Inheritance Tax: application for a clearance certificate (IHT30).
Personal representatives or trustees can use form IHT30 to apply for a clearance certificate from HMRC. This certificate confirms that all Inheritance Tax due on an estate has been paid. You should only submit this application once you believe the full tax liability has been settled.
Source: https://www.gov.uk/government/publications/inheritance-tax-application-for-a-clearance-certificate-iht30. Summarised automatically from the official source — general information, not advice.