Performance of functions
5. Anything authorised or required by or under this Order or any other statutory provision to be done by the Director, other than the making of a statutory instrument (within the meaning of section 1 of the [1954 c. 33 (N.I.).] Interpretation Act (Northern Ireland) 1954), may be done by any member of the staff of the Director who is authorised generally or specially in that behalf by the Director.