Road Traffic And Vehicles Citation, commencement and interpretation 1 1 These Regulations may be cited as the Motor Vehicles (Construction and Use) (Amendment) Regulations (Northern Ireland) 2011 and shall come into operation on 1 st March 2011. 2 In these Regulations “the principal Regulations” means the Motor Vehicles (Construction and Use) Regulations (Northern Ireland) 1999 . Insertion of regulation 30A into the principal Regulations 2 After regulation 30 of the principal Regulations (tyre loads and speed ratings) insert— Tyre noise 30A 1 Subject to paragraphs (2) and (3), any replacement tyre (not being a retreaded or part-worn tyre) must be marked with an S mark where it is to be fitted to an axle of— a a passenger vehicle with 4 wheels or more; b a goods vehicle; c a dual purpose vehicle; or d a trailer constructed or adapted for use with a passenger vehicle, a goods vehicle or a dual purpose vehicle. 2 Paragraph (1) applies to— a Class C1d tyres on or after 1 st March 2011; and b Class C1e tyres on or after 1 st October 2011. 3 Paragraph (1) does not apply to— a tyres whose speed rating is less than 80km/h; b tyres whose nominal rim diameter does not exceed 254mm (code 10 as defined in Article 1a of Community Directive 92/23 as amended by Community Directive 2001/43) or is 635mm (code 25 as defined in Article 1a of Community Directive 92/23 as amended by Community Directive 2001/43) or more; c T-type temporary-use spare tyres; or d tyres designed only to be fitted to vehicles described in paragraph (1) that were registered for the first time before 1 st October 1980. 4 In this regulation— “Class C1d tyre” means a tyre designed for a passenger vehicle with a nominal section width greater than 185mm but less than or equal to 215mm; “Class C1e tyre” means a tyre designed for a passenger vehicle with a nominal section width greater than 215mm; “dual purpose vehicle” has the meaning given by Article 2(2) of the 1981 Order; “nominal rim diameter” has the same meaning as in section 2.18 of Annex II of Community Directive 92/23 as amended by Community Directive 2001/43; “part-worn tyre” means a tyre that is not new when fitted; “replacement tyre” means— a Class C1d tyre sold, or intended to be sold, on or after 1 st March 2011; a Class C1e tyre sold, or intended to be sold, on or after 1 st October 2011; or any other tyre sold, or intended to be sold, on or after the date these Regulations come into operation, where that tyre replaces, or is intended to replace, a tyre fitted to the axle of any vehicle to which paragraph (1) applies; “rim” has the same meaning as in section 2.19 of Annex II of Community Directive 92/23 as amended by Community Directive 2001/43; “S mark” means the marking designated as an approval mark by regulation 4 of the Approval Marks Regulations and shown at item 16 or 16A in Schedule 2 to those Regulations; “section width” has the same meaning as in section 2.12 of Annex II of Community Directive 92/23 as amended by Community Directive 2001/43; and “T-type temporary-use spare tyre” has the same meaning as in section 2.3.6.of Annex II of Community Directive 92/23 as amended by Community Directive 2001/43, and “temporary-use spare tyre” has the same meaning as in section 2.3.5 of Annex II of Community Directive 92/23 as amended by Community Directive 2001/43. . Amendment of Schedule 1 to the principal Regulations 3 1 In Table I of Schedule 1 to the principal Regulations (Community Directives and ECE Regulations) after item 96 insert— 96A. 2001/43 4.8.2001 L211, 4.8.2001, p.25 Tyres for motor vehicles and their trailers and to their fitting 92/23 2 In Table II of Schedule 1 to the principal Regulations after item 41 add— 42 117.01 117 6.4.2005 Tyres-Rolling sound emissions and adhesion to wet surfaces 2.2.2007 — — Sealed with the Official Seal of the Department of the Environment on 28 th January 2011. Deirdre Kenny A senior officer of the Department of the Environment