[F12.—(1) Article 19 shall apply in relation to—N.I.
(a)any decision of the Department with respect to a departure direction, a reduced benefit direction or a person's liability under Article 40;
(b)any decision of the Department under Article 19 as extended by this sub-paragraph; and
(c)any decision of an appeal tribunal on a referral under Article 28D(1)(b),
whether as originally made or as revised under Article 18 as extended by paragraph 1, as it applies in relation to any decision of the Department under Article 13, 14 or 19, whether as originally made or as revised under Article 18.
(2) Article 19 shall apply in relation to any decision of an appeal tribunal under Article 22 as extended by paragraph 3 as it applies in relation to any decision of an appeal tribunal under Article 22.]