| GRSG-117-18/Rev.1 | UN R110: Proposal to amend document GRSG/2019/26 | |
| GRSG-117-28 | UN R110: Proposal for amendments | |
| GRSG/2019/26 | UN R110: Proposal for amendments to the 04 series of amendments | |
| GRSG/2019/28 | UN R110: Proposal for amendments |
GRSG agreed to review proposals tabled by the expert from NGV Global on specifications for Compressed Natural Gas (CNG) cylinders with composite materials as per ISO 11439 (ECE/TRANS/WP.29/GRSG/2019/26) and one on amendments to table 6.7 of Annex 3A on change of design criteria (ECE/TRANS/WP.29/GRSG/2019/28).