European Union
18 May 2018 EU Regulation No. 540/2014 on vehicle sound levels (EU) GTRQRTV-06-02 2018-05-18 EU
18 May 2018 EU Delegated Regulation 2017/1576 on Acoustic Vehicle Aterting System (EU) GTRQRTV-06-03 2018-05-18 EU