Proposal introduces new requirements for direction indicators for trailers that may be towed by tractors
Proposal to maintain consistency between UN R49 and UN R83 in light of amendments to the 06 and 07 series of UN R83.
ECE/TRANS/WP.29/GRPE/92, para. 48., based on ECE/TRANS/WP.29/GRPE/2025/13.