4. In Article 4—
(a)in paragraph 1, for “Articles 27(3) and 30(1)” substitute “Article 27(3)”;
(b)in paragraph 3, for “Articles 27 and 30” substitute “Article 27”;
(c)in paragraph 5, in the first subparagraph—
(i)for “already exists on the date of entry into force of this Regulation” substitute “existed before 25 January 2016”;
(ii)after “model.” insert—
“A waiver under Article 4(5) of the EU Implementing Regulation which is in effect immediately before exit day has effect on and after exit day as a waiver under this Article of this Regulation (and here “EU Implementing Regulation” means Commission Implementing Regulation (EU) 2016/9 as it has effect in EU law).”.