Requirements applying to hydraulic connections of the single-line type and to vehicles fitted with them
Article 16
1. The performance requirements applying to hydraulic connections of the single-line type of braking devices and trailer braking couplings and to vehicles fitted with hydraulic connections of the single-line type are laid down in Annex XIII. 2. Vehicle manufacturers shall not fit hydraulic connections of the single-line type to new types of vehicles of category T and C after 31 December 2019 and to new vehicles of those categories after 31 December 2020.