IHTM27247 | Foreign property: discretionary trusts and exempt securities: introduction
From HM Revenue & Customs · Inheritance Tax Manual
Under IHTA84/S48 (4)(b) exempt securities will be excluded from the IHT charge on a transfer if they are settled property held on discretionary trusts (where no qualifying interest in possession subsists in them), immediately before a transfer, and:
The same conditions must also be satisfied for any person who is, or might become, entitled to a qualifying interest in possession in any of the settled property.