22 March 2011 Categorized summary of UNECE lighting regulations HRD-01-03	HRD-01-03	2011-03-22
24 March 2011 Proposal concerning the structure of the Horizontal Reference Document (NAMI) HRD-01-05	HRD-01-05	2011-03-24
7 September 2011 Draft terms of reference for the GRE Horizontal Reference Document Informal Group HRD-01-02/Rev.1	HRD-01-02/Rev.1	2011-09-07
7 September 2011 Schedule of lighting regulations to be examined for the Horizontal Reference Document HRD-01-04/Rev.1	HRD-01-04/Rev.1	2011-09-07