Document ID: chunk:federal_register_of_legislation:F2018L01516:body:0:p6
Version: federal_register_of_legislation:F2018L01516
Segment Type: other
Provision Reference: 
Character Range: 18053–20940

a unit which is intended to be exchanged for a standard unit in case of malfunction of the latter and may be either of the following.
              2.16. "Standard spare unit" means an assembly of a wheel and tyre identical in terms of wheel and tyre size designation, wheel offset and tyre structure to that fitted in the same axle position and to the particular vehicle variant and version for normal operation, including wheels produced from a different material and which may use different wheel fixing nut or bolt designs, but which is otherwise identical to the wheel intended for normal operation.
              2.17. "Temporary-use spare unit" means an assembly of any wheel and tyre that does not fall within the definition of standard spare unit and which falls within one of the temporary-use spare unit type descriptions as defined in paragraph 2.10. of Regulation No. 64.
              2.18. "Speed category symbol" means the symbol as defined in paragraph 2.31. of Regulation No. 30 for class C1 tyres and paragraph 2.28. of Regulation No. 54 for class C2.
              2.19. "Load capacity index" means a number associated to the maximum load rating of the tyre in relation to the definition in paragraph 2.30. of Regulation No. 30 for class C1 tyres and paragraph 2.27. of Regulation No. 54 for class C2 tyres.
              2.20. "Maximum load rating" means the maximum mass which a tyre can carry when operated in conformity with requirements governing utilisation specified by the tyre manufacturer.
  3.  Application for approval
              3.1. The application for approval of a vehicle type with regard to the installation of its tyres shall be submitted by the vehicle manufacturer or by his authorized representative.
              3.2. It shall be accompanied by the documents mentioned below in triplicate and include the following particular:
              3.2.1. A description of the vehicle type with regard to the items mentioned in paragraph 5.
              3.3. A vehicle representative of the vehicle type to be approved, or a simulation tool representing the vehicle type to be approved shall be submitted to the Technical Service conducting the approval tests.
  4.  Approval
              4.1. If the vehicle type submitted for approval pursuant to this Regulation meets the requirements of paragraph 5, approval of that vehicle type shall be granted.
              4.2. An approval number shall be assigned to each vehicle type approved; its first two digits (00 for the regulation in its initial form) shall indicate the series of amendments incorporating the most recent major technical amendments made to the regulation at the time of issue of the approval. The same Contracting Party shall not assign the same number to another vehicle type with regard to the installation of its tyres.
              4.3. Notice of approval or of refusal or