This revision reproduces the following amendment(s):
Proposal for Supplement 21 to the 00 series of amendments to Regulation No. 54

Proposal to:

  • correct the code 19 rim diameter, amend the tyre dimension requirements,
  • modify the marking requirements to replace PSI with kilopascals (“kPa”),
  • change the measurement units for drum speed from min-1 to km.h-1 and align the wording in Annex 7, Appendix 1 with the text of the Regulation,
  • add new tyre sizes to Annex 5, allow for special tyres that can also be used as snow tyres to be marked with the inscription M+S, M.S, or M&S while remaining in the category of use “special”,
  • align definitions and content with the other tyre regulations (UN Regulations Nos. 30, 117, 75 etc.),
  • include a definition of “manufacturer” extracted from the resolution “R.E.3”
  • adopt a common definition and use of the terms “Manufacturer’s name”, “Brand name”, “Trademark”, “Trade description” and “Commercial name” and their links, and
  • add information in the certificate to enable approval authorities to more easily understand the products the certificate addresses.
[These documents erroneously refer to the 01 series of amendments. This should be corrected as the 00 series of amendments to UN R54.]

Authentic and legally binding text WP.29/2016/52