For section 20 of the 1935 Order, substitute—
(1)The council may at any time co-opt a person who is a member of the National Trust for Scotland as a member of the council.
(2)A co-opted member is to serve for the term specified by the council in accordance with regulations made in accordance with section 21(2) of this Order, but which term is not to exceed four years.
(3)The number of co-opted members on the council must not at any time exceed four.
(4)The council may at any time make any regulation as to the eligibility of co-opted members for either re-appointment as co-opted members or election to the council.”.