(1)Except in so far as the trust deed expressly provides otherwise, a deed, or other document, bearing to be executed by the body of trustees is valid if executed by a majority of the trustees of that body.
(2)Subsection (1) is without prejudice to section 22(1)(b).
(3)This section applies—
(a)irrespective of when the trust was created, but
(b)only as respects a document executed after the section comes into force.