IHTM14371 | Lifetime transfers: gifts with reservation: tracing: introduction
From HM Revenue & Customs · Inheritance Tax Manual
The property given by the donor may be retained unchanged by the donee until the donor’s death.
Alternatively, the donee may, for instance, sell the property, give it away, or add to it, or the donee may die. In situations such as these you have to be able to establish the property comprised in the gift for two purposes
to decide whether there is a reservation
and if so
to determine the property subject to the GWR claim.
The rules you should apply (within FA86/Sch20 Para 2) depend on whether