A determination or agreement which is by virtue of these Regulations conclusive against or in favour of any person shall to the same extent be conclusive against or in favour of his personal representatives and his trustee or assignee in bankruptcy or under a deed of arrangement.

A determination or agreement relating to any settled property which is by virtue of these Regulations conclusive against or in favour of the trustees of the settlement shall to the same extent be conclusive against or in favour of any person becoming absolutely entitled to that property as against the trustees.

A determination or agreement relating to an asset comprised in the estate of a deceased person, or in a testamentary disposition made by him, which is by virtue of these Regulations conclusive against or in favour of his personal representatives shall to the same extent be conclusive against or in favour of any person acquiring the asset as legatee.

Where paragraph 20 of Schedule 7 to the Finance Act 1965 (disposals between husband and wife) or section 31(4) of that Act (disposals of certain works of art, etc.) applies in respect of the disposal of an asset, a determination or agreement relating to the asset which is by virtue of these Regulations conclusive against or in favour of the person making the disposal shall to the same extent be conclusive against or in favour of the person acquiring the asset.