ANNEX IVSupplementary provisions
ANNEX IV Requirements on steering for fast tractors 1. The requirements set out in sections 2, 5 and 6 and in Annexes 4 and 6 to UNECE Regulation No 79, as referenced in Annex I, for the steering of motor vehicles apply to vehicles of categories Tb and Cb with maximum design speed exceeding 60 km/h. 1.1. The requirements of ISO 10998:2008, Amd 1 2014 apply to the steering of vehicles belonging to categories Tb and Cb with maximum design speed exceeding 40 km/h and not exceeding 60 km/h. 1.2. The steering action of Cb tractors is in accordance with point 3.9 of Annex XXXIII. 2. The requirements on steering effort for the vehicles referred to in point 1 shall be the same as the requirements for vehicles of N2 category set out in section 6 of UNECE Regulation No 79 as referenced in Annex I. For a vehicle equipped with a straddle seat and handlebars, the same steering effort should apply at the middle of the grip.