GRSP4428 of Annex I to this report 4 . Concerning the incorporation of the flexible pedestrian legform impactor ( Flex-PLI ) provisions in phase 2 of the gtr , GRSP noted the decision of the executive Committee of the 1998 Agreement ( AC.3 ) at its last session in November of 2008 that GRSP should continue consideration of this matter , awaiting the formal proposal for the amendment of the gtr ( ECE/TRANS/WP.29/1070 , para . 96 ) .