Section 130 of the Finance Act 1992 is amended by inserting the following definitions:

"'certificate of conformity', notwithstanding any enactment which provides for the continued recognition of certificates issued -

(a) in respect of motor vehicles -

(i) up to 31 August 2020, has the same meaning as in paragraph 36 of Article 3 of Directive 2007/46/EC of the European Parliament and of the Council of 5 September 2007 [OJ No. L263, 9.10.2007, p. 1], and

(ii) on and after 1 September 2020, has the same meaning as in paragraph (5) of Article 3 of Regulation (EU) 2018/858 of the European Parliament and of the Council of 30 May 2018 [OJ No. L151, 14.6.2018, p. 1],

(b) in respect of agricultural and forestry vehicles, has the same meaning as in Article 3 of Regulation (EU) 167/2013, and

(c) in respect of two- or three-wheeled vehicles and quadricycles, has the same meaning as in Article 3 of Regulation (EU) 168/2013;

'registration certificate' has the same meaning as in paragraph (c) of Article 2 of Council Directive 1999/37/EC of 29 April 1999 [OJ No. L138, 1.6.1999, p. 57];

'NOx' has the same meaning as in paragraph (6) of Article 3 of Directive (EU) 2016/2284 of the European Parliament and of the Council of 14 December 2016 [OJ No. L344, 17.12.2016, p. 1];".