67. The expert from the Netherlands introduced a proposal for amendments to UN Regulation No. 110 (ECE/TRANS/WP.29/GRSG/2021/9), aiming to update the existing requirements on identification of CNG- and LNG-fuelled buses and to introduce similar identification requirements for trucks.

68. GRSG adopted ECE/TRANS/WP.29/GRSG/2021/9, the proposal for the 05 series of amendments to UN Regulation No. 110, as amended during the session, and requested the secretariat to submit it as an official document to WP.29 and AC.1 for consideration and vote at their November 2021 sessions.

69. The expert from OICA introduced a proposal for amendments to UN Regulation No. 110 (ECE/TRANS/WP.29/GRSG/2021/10, as amended by GRSG-121-22), with the aim of adding provisions for excess flow valves (EFV) which can shut off fuel flow at the time of operation, to specific components.

70. Following technical discussions and comments, GRSG adopted ECE/TRANS/WP.29/GRSG/2021/10, the proposal for supplement 3 to the 04 series of amendments to UN Regulation No. 110, as amended by GRSG-121-22 and in session, and requested the secretariat to submit it as an official document to WP.29 and AC.1 for consideration and vote at their November 2021 sessions.