# Motor Vehicles (Construction and Use) Regulations (Northern Ireland) 1999, Paragraph 1


(1) For the purposes of these Regulations a vehicle meets the requirements of an item in the Table below if its sound level does not exceed by more than 1dB(A) the relevant limit specified in column 2 in that item when measured under the conditions specified in column 3 in that item by the method specified in column 4 in that item using the apparatus prescribed in regulation 66(7).
(2) In this Part of the Schedule, “moped” has the same meaning as in regulation 69.
TABLE
(1)
(2)
(3)
(4)
Limits of sound level
Item
Mopeds
Vehicles other than mopeds
Conditions of measurement
Methods of measurement
1.
73dB(A)
Limit determined in accordance with paragraph 2.1.1 of Annex I to Community Directive 78/1015 by reference to the cubic capacity of the vehicle
Conditions specified in paragraph 2.1.3 to Annex I to Community Directive 78/1015
Methods specified in paragraph 2.1.4 of Annex I to Community Directive 78/1015
2.
73dB(A)
First stage limit determined in accordance with paragraph 2.1.1 of Annex I to Community Directive 87/56 by reference to the cubic capacity of the vehicle
Conditions specified in paragraph 2.1.3 to Annex I to Community Directive 87/56
Methods specified in paragraph 2.1.4 of Annex I to Community Directive 87/56
3.
74dB(A)
The limit specified in item 2 plus 1dB(A)
As in item 2
As in item 2

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Source: https://www.legislation.gov.uk/nisr/1999/454/schedule/9/part/I/paragraph/1 (the official version)
Page: https://openlegislation.uk/motor-vehicles-construction-and-use-regulations-northern-ireland-1999/schedule-9/part-I/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.