In Article 1 -

(a) in paragraph 1, for "contribute to the proper functioning of the internal market by laying" substitute "lay";

(b) in paragraph 2, for "Union" (in both places) substitute "United Kingdom";

(c) in paragraph 4 -

(i) for "national rules which, in conformity with Union law, prohibit or sanction" substitute "law which prohibits or sanctions";

(ii) omit the final sentence;

(d) in paragraph 5, for "Union law, in particular Union law" substitute "retained EU law".