58. The secretariat introduced ECE/TRANS/WP.29/2021/55 providing a status report of the activities of the Informal Working Group (IWG) on Particulate Measurement Programme (PMP) on brake emissions measurement procedure, as part of the task force 1 activities that defined an Inertia Dynamometer Protocol to Measure and Characterise Brake Emissions Using the WLTP-Brake Cycle.

59. He explained that SAE International had expressed interest in including part of the procedure developed by the IWG on PMP into an upcoming revision of a standard by SAE International.

60. WP.29 welcomed the report by the IWG on PMP and invited SAE International to refer to ECE/TRANS/WP.29/2012/55 for the revised private standard they are developing.