46. The expert from NGV Global introduced GRSG-117-18 amending ECE/TRANS/WP.29/GRSG/2019/26 introducing amendments to Annex 3A of the Regulation clarifying issues associated with periodical technical inspection (PTI) and periodic requalification of CNG cylinders.

47. GRSG adopted GRSG-117-18-Rev.1 amending ECE/TRANS/WP.29/GRSG/2019/26 and requested the secretariat to submit it to WP.29 and AC.1 as proposal for Supplement 1 of 04 series of amendments to UN Regulation No. 110 for consideration at their March 2020 sessions.

48. The expert from NGV Global introduced ECE/TRANS/WP.29/GRSG/2019/28 proposing certain change of design criteria in Annex 3 of UN Regulation No. 110. The expert from OICA supported the document and suggested some amendments (GRSG-117-28).

49. GRSG adopted ECE/TRANS/WP.29/GRSG/2019/28 as amended by GRSG -117-28 and requested the secretariat to submit it to WP.29 and AC.1 as proposal for Supplement 2 of 04 series of amendments to UN Regulation No. 110 for consideration at their March 2020 sessions.