Amendments clarify the procedure of collection and transmission of data on the Real Driving Additional Sound Emission Provisions (RD-ASEP) which starts on 1 July 2023 – the date that was previously fixed by Supplement 7 to the 03 series of amendments. Because the present document, if approved by WP.29 and AC.1 in June 2023, would enter into force later (around January 2024), the World Forum is also invited to call upon the Type Approval Authorities and Technical Services of Contracting Parties to start, already as of 1 July 2023, the collection and transmission of RD-ASEP data