83. The Chair of GRSP introduced the proposal of Amendment 3, Addendum 1 to Mutual Resolution No. 1 (M.R.1) (ECE/TRANS/WP.29/2022/141), aimed at improving the application of Addendum 1 of M.R.1 when used by laboratories to maintain and certify the Biofidelic Rear Impact Dummy II (BioRID-II) UN dummy. He added that the proposal seeks to clarify interpretation, that could affect the outcome of the dummy calibration.

84. WP.29 considered and endorsed the proposal for amendments to Mutual Resolution No. 1 under agenda item 4.17.1. and submitted it to AC.3 for final approval.