The manufacturer shall ensure that agricultural and forestry vehicles and the engines installed in them are designed, constructed and assembled so as to comply with the provisions applicable to engine categories NRE or NRS laid down in Regulation (EU) 2016/1628 and in the delegated and implementing acts adopted pursuant thereto, with the adaptations laid down in Part 1 of Annex I to this Regulation; the specific requirements laid down in Part 2 of Annex I to this Regulation shall be also complied with.

Alternatively, agricultural and forestry vehicles and the engines installed in them may be designed, constructed and assembled so as to comply with the provisions applicable to engine category ATS laid down in Regulation (EU) 2016/1628 and in the delegated and implementing acts adopted pursuant thereto, with the adaptations laid down in Part 1 of Annex I to this Regulation, where such vehicles are equipped with a SI engine and fulfil either of the following conditions:

1. (a)

   are equipped with a straddle seat and handlebar;

2. (b)

   are equipped with a steering wheel and bench seats or bucket seats in one or more rows and achieve a maximum design speed greater than or equal to 25 km/h.

The specific requirements laid down in Part 2 of Annex I to this Regulation shall be also complied with.