23. The expert from OICA introduced GRSP-74-21 to amend Supplement 1 to the 04 series of amendments (ECE/TRANS/WP.29/2023/50), adopted at the June 2023 session of WP.29, by clarifying the definition of the “third of windscreen”. He requested GRSP experts to provide comments on the proposal by the end of February 2024 for the submission of an official, revised version at the May 2024 session of GRSP. GRSP noted that if a new replacement proposal was not received by the secretariat, GRSP-74-21 should be confirmed for submission as an official document before the deadline.