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							UN R142: Proposal for a Supplement
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							Reference Number: GRBP/2025/14
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								 Proposal to: - Add a generic reference to the Consolidated Resolution on the Construction of Vehicles (R.E.3) in footnote 1
 - Align title of para. 5 with its contents (paras. 5.1. and 5.2.)
 Align the title of para. 6 with corresponding paras. in UN R30, 54, 75, 106 and 117</li<- Clarify that all temporary use spare units can by composed by using tyres of any category of use
 - Align the snow tyre definition with UN R30, 54 and 117
 - Clarify that tyres for use in severe snow conditions are also applicable to the category of use ‘special use tyres’
 - Clarify which service conditions can apply the coefficient given in paragraphs 5.2.4.3.1. and 5.2.4.3.2.
 - Add  Class C3 tyres to the speed category symbol and load capacity index definitions
 - Introduce definitions of free rolling tyre and front axle and revise markings accordingly (ref. documents GRBP-80-03 and GRBP-80-26)
 - Clarify reporting the name of the symbols used for tyre for use in severe snow conditions in line with UN R117 and 164.
  
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							Submitted by: ETRTO
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							Meeting Sessions: 81st GRBP session (18-21
				Feb)
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							Document date:  05 Dec 24
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								Document status: Formal GR review
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