IHTM14721 | Lifetime transfers: specific lifetime reliefs: disallowed debts: when double charges relief arises
From HM Revenue & Customs · Inheritance Tax Manual
Relief under the Inheritance Tax (Double Charges Relief) Regulations 1987 (SI 1987/1130) Reg.6 will apply where the deceased made a failed potentially exempt transfer (IHTM14511) or immediately chargeable lifetime transfer (IHTM04067) which:
increased the estate of the transferee, or
resulted in property becoming comprised in a settlement,
and before their death the deceased incurred a liability to:
the transferee, or
the trustees of the settlement,
which is a liability reduced or disallowed under FA86/S103. (IHTM28361)