18. The court must direct the Public Guardian to cancel the registration of an instrument as a lasting power of attorney if it—
(a)determines under section 110(2)(a) that a requirement for creating the lasting power of attorney was not met;
(b)determines under section 110(2)(b) that the lasting power of attorney has been revoked or has otherwise come to an end; or
(c)revokes the lasting power of attorney under section 110(4)(b) (fraud etc).