European Commission
7 Jan 2014 European Commission comments on the HDH amendment (EC) HDH-16-07 2014-01-07 EC presentation reviewing the interest in and concern over the prospects for integrating the HDH procedures into the Euro VI legislation. EC
23 Jul 2007 Proposal to amend global technical regulation No. 4 (EC) WP.29/AC.3/20 2007-07-23 EC