---
title: "Commission Directive 91/422/EEC of 15 July 1991 adapting to technical progress Council Directive 71/320/EEC on the approximation of the laws of the Member States relating to the braking devices of certain categories of motor vehicles and their trailers"
id: e264761c-f5ab-4e3a-82bc-9a188ee1c748
authority: eu
place: "European Union"
applies_also_from: []
kind: directive
in_force: true
publisher_url: https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:31991L0422
attribution: "© European Union, https://eur-lex.europa.eu"
solon_url: https://solon.orangecat.ch/law/e264761c-f5ab-4e3a-82bc-9a188ee1c748
text: not held
---

# Commission Directive 91/422/EEC of 15 July 1991 adapting to technical progress Council Directive 71/320/EEC on the approximation of the laws of the Member States relating to the braking devices of certain categories of motor vehicles and their trailers