s 76 Guardianship
In section 6 of the 1989 Act (guardians: revocation and disclaimer) after subsection (3A) insert— (3B) An appointment under section 5(3) or (4) (including one made in an unrevoked will or codicil) is revoked if the person appointed is the civil partner of the person who made the appointment and either— (a) an order of a court of civil jurisdiction in England and Wales dissolves or annuls the civil partnership, or (b) the civil partnership is dissolved or annulled and the dissolution or annulment is entitled to recognition in England and Wales by virtue of Chapter 3 of Part 5 of the Civil Partnership Act 2004, unless a contrary intention appears by the appointment.