10. The expert from the United States of America, on behalf of the co-sponsors (Japan, Republic of Korea, European Union) informed GRSP that the Chair (United States of America) of the Hydrogen and Fuel Cells Vehicles (HFCV) UN GTR IWG Phase 2, Mr. Nha Nguyen, had retired from the Federal service and was replaced by Mr. Martin Koubek. He provided GRSP with the details of the next IWG meeting, scheduled for 17 to 20 June 2019 in Tianjin, China.

11. The expert from Japan, on behalf of the co-sponsors (Japan, Republic of Korea, European Union) informed GRSP on the work progress of the IWG and provided a summary of some of the most relevant topic of discussion of the last IWG meeting (5 to 7 March 2019) held in Vancouver, Canada. He explained that the meeting was well attended by representatives from various contracting parties, motor vehicle manufacturers, container industries, standard organizations, and academia. He added that the IWG continued the discussions on technical issues such as requirements for heavy duty vehicles and buses, material compatibility, high pressure system reliability, and fire tests and that research and test results we presented. He specified that the five Task Forces (TF) provided their state of progress and issues:

1. TF No.1 – Heavy-duty trucks and buses had extensively discussed the difference of the fuel system to those in light-duty vehicles. TF proposed the revised scope to add heavy-duty vehicles to the categorization of current UN GTR;
2. TF No. 2 – Fuelling receptacle requirements, had planned to submit a final proposal for fuelling receptacle requirements at the next working group meeting;
3. TF No. 3 – Recommendations for test procedures, had progressed well and should complete its work by the summer of 2019;
4. TF No. 4 – Fire test, also progressed well and is scheduled to complete its work in 2019;
5. TF No. 5 – Recommendations from ISO TC197, had recommended a technical information proposal for the rationale section.

12. He finally concluded that IWG aimed to complete its work by the 2020 mandate.