For the purposes of this Order section 20(2) of the [1954 c. 33 (N.I.).] Interpretation Act (Northern Ireland) 1954 applies with the omission of the words “the liability of whose members is limited” and where the affairs of a body corporate are managed by its members, applies in relation to the acts or defaults of a member in connection with his functions of management as if he were a director of the body corporate.