16. The expert from Italy, Chair of the ad-hoc group on safety helmets introduced ECE/TRANS/WP.29/GRSP/2021/24 amended by GRSP-70-14, in a presentation (GRSP-70-28) to address specific requirements for the type approval of helmet accessories defined by the ad-hoc group. GRSP adopted ECE/TRANS/WP.29/GRSP/2021/24, as amended by (GRSP-70-14) annex III to this report. The secretariat was requested to submit the proposal, as draft Supplement 2 to the 06 series of amendment to UN Regulation No. 22 (Protective helmets), for consideration and vote at the June 2022 session of WP.29 and to AC.1.