33. GRSP noted ECE/TRANS/WP.29/GRSP/2022/10 on the comments and questions received by the expert from the United Kingdom for the follow-up to the adoption of the Addendum 1 to Mutual Resolution No. 1 (Specifications for the Construction, Preparation and Certification of the 50th percentile male Biofidelic Rear Impact Dummy, anthropomorphic test Device (BioRID-II UN)) by WP.29 at its 185th session. GRSP adopted ECE/TRANS/WP.29/GRSP/2022/10 not amended. The secretariat was requested to submit the proposal as draft Amendment 3, Addendum 1 to Mutual Resolution No. 1 for consideration and vote at the November 2022 sessions of WP.29 and the Executive Committee of the 1998 Agreement (AC.3).