(1)For the purposes of section 19 or 20 a direction is given by beneficiaries if—
(a)a single direction is jointly given by all of them, or
(b)(subject to subsection (2)) a direction is given by each of them (whether solely or jointly with one or more, but not all, of the others),
and none of them by writing withdraws the direction given by him before it has been complied with.
(2)Where more than one direction is given each must specify for appointment or retirement the same person or persons.
(3)Subsection (7) of section 36 of the M1Trustee Act 1925 (powers of trustees appointed under that section) applies to a trustee appointed under section 19 or 20 as if he were appointed under that section.
(4)A direction under section 19 or 20 must not specify a person or persons for appointment if the appointment of that person or those persons would be in contravention of section 35(1) of the Trustee Act 1925 or section 24(1) of the M2Law of Property Act 1925 (requirements as to identity of trustees).
(5)Sections 19 and 20 do not apply in relation to a trust created by a disposition in so far as provision that they do not apply is made by the disposition.
(6)Sections 19 and 20 do not apply in relation to a trust created before the commencement of this Act by a disposition in so far as provision to the effect that they do not apply is made by a deed executed—
(a)in a case in which the trust was created by one person and he is of full capacity, by that person, or
(b)in a case in which the trust was created by more than one person, by such of the persons who created the trust as are alive and of full capacity.
(7)A deed executed for the purposes of subsection (6) is irrevocable.
(8)Where a deed is executed for the purposes of subsection (6)—
(a)it does not affect anything done before its execution to comply with a direction under section 19 or 20, but
(b)a direction under section 19 or 20 which has been given but not complied with before its execution shall cease to have effect.