UN R121: Proposal for Supplement 4 to the 01 series of amendments
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Proposal in line with ISO 2575 to allow for the use of different colors (e.g., red, yellow, green) to convey the status modes (e.g., failure, active) of seven functions via modification of footnote 18 under Table 1.

Reference Number: WP.29/2020/22
Date: 18 December 2019
Proposal Status: Adopted
Related Documents:
GRSG/2019/17 | UN R121: Proposal for Supplement 11 to the original series and Supplement 4 to the 01 series of amendments