Report of the 179th session of the World Forum for the Harmonization of Vehicle Regulations
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|4.6.6.||Proposal for Supplement 1 to the original series of UN Regulation No.  on Retro-Reflective Devices (RRD)||[" Adopted during the March 2019 WP.29 session, this UN Regulation consolidates and supersedes all previous UN Regulations concerning requirements for the approval of retro-reflecting devices and retro-reflective vehicle markings. Retro-reflective Devices (RRD) Retro-reflective Devices and Markings (RRD) UN Regulation No. 150 UN R150"]|||