59. Articles 15 to 17 shall have effect for the purposes of Articles 57 and 58 as they have effect for the purposes of Articles 12 and 14, but as if—
(a)references to Article 12(2) or (3) were references to Article 57(2), or as the case may be, (3);
(b)references to Article 14(4) were references to Article 58(5); and
(c)for sub-paragraphs (b) and (c) of Article 15(2) there were substituted—
“(b)that in all the circumstances the directions are not appropriate for the purpose in question; or
(c)that the appellant is already taking appropriate steps for the purpose in question and the directions are, therefore, unnecessary.” .