IHTM34138 | Qualifying investments: reversionary interests
From HM Revenue & Customs · Inheritance Tax Manual
You should not normally treat shares comprised in a reversionary interest () as part of the estate for the purposes of this relief. This is because a reversionary interest is normally excluded property () under and does not form part of the deceased’s estate under . The qualifying investments () must be in the deceased’s estate in order to be considered for relief, .
However where a reversionary interest is not excluded property () the shares comprised in that reversionary interest do form part of the estate for the purposes of loss on sale of shares relief.