If the Minister refers draft guidelines to the Authority under paragraph 9 (b), the Authority shall—
(a) comply with the Minister's directions;
(b) if the Minister gives a direction under subparagraph 9 (b) (i) or (ii)—revise the draft guidelines;
(c) revise the draft guidelines to correct any formal error; and
(d) re-submit the draft guidelines (as revised) to the Minister for approval together with a written report about the Authority's compliance with the Minister's directions and about any revision of the draft guidelines under paragraph (c).