# The Road Vehicles (Defeat Devices, Fuel Economy and Type-Approval) (Amendment) Regulations 2018, Regulation 1: Citation and commencement

Extent: E+W+S+N.I.

These Regulations may be cited as the Road Vehicles (Defeat Devices, Fuel Economy and Type-Approval) (Amendment) Regulations 2018 and come into force as follows—
(a) regulation 4 apart from paragraph (b) and regulation 5 on 1st January 2019;
(b) paragraph (b) of regulation 4 on 1st April 2020; and
(c) the remaining regulations on 1st July 2018.

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Source: https://www.legislation.gov.uk/uksi/2018/673/regulation/1 (the official version)
Page: https://openlegislation.uk/road-vehicles-defeat-devices-fuel-economy-and-type-approval-amendment-regulations-2018/regulation-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.