| 1 Mar 2021 | Summary of 29 January GTR 13 co-sponsors meeting | GTR13-09-01 | 2021-03-01 | 
         
            | 25 Mar 2021 | Draft agenda for the 9th GTR13-Phase 2 informal group session | GTR13-09-02/Rev.2 | 2021-03-25 | 
         
            | 26 Mar 2021 | GTR 13-Phase 2 informal group work items and schedule | GTR13-09-03/Rev.2 | 2021-03-26 | 
         
            | 17 Mar 2021 | GTR 13: Proposal for fire test (Korea) | GTR13-09-04 | 2021-03-17 | 
         
            | 17 Mar 2021 | Fuel Integrity Safety Assessment from Rollover Test of Hydrogen Bus in Korea (KATRI) | GTR13-09-05 | 2021-03-17 | 
         
            | 17 Mar 2021 | GTR 13: Thermally-activated pressure relief device (TPRD) direction proposal (OICA and JAMA) | GTR13-09-06 | 2021-03-17 | 
         
            | 17 Mar 2021 | GTR 13: Proposal for baseline number of test cycles discussion (OICA) | GTR13-09-07 | 2021-03-17 | 
         
            | 17 Mar 2021 | Agenda and overview of the GTR 13-Phase 2 Task Force 1 on number of cycles issues discussion | GTR13-09-08 | 2021-03-17 | 
         
            | 26 Mar 2021 | GTR 13: Progress on Humid Gas Stress Corrosion Cracking Test Method for Aluminum Alloys (Japan) | GTR13-09-09/Rev.1 | 2021-03-26 | 
         
            | 22 Mar 2021 | Hydrogen fuel-cell vehicles: Verification Test for Service Terminating Performance in Fire | GTR13-09-10 | 2021-03-22 | 
         
            | 22 Mar 2021 | Hydrogen compatibility of aluminum alloys for fuel cell vehicle applications (MPA-Stuttgart) | GTR13-09-11 | 2021-03-22 | 
         
            | 23 Mar 2021 | GTR 13-Phase 2 Task Force 3: Recommendations for Test Procedures | GTR13-09-12 | 2021-03-23 | 
         
            | 23 Mar 2021 | GTR 13-Phase 2: Proposal for Hydrogen Compatibility of Metals | GTR13-09-13 | 2021-03-23 | 
         
            | 24 Mar 2021 | GTR No. 13 Phase 2 Task Force 0: Draft Document Progress Update | GTR13-09-14 | 2021-03-24 | 
         
            | 24 Mar 2021 | GTR 13: Marked up revision of text per Phase 2 development | GTR13-09-15 | 2021-03-24 | 
         
            | 24 Mar 2021 | GTR 13: Revised text per the Phase 2 development (clean text) | GTR13-09-16 | 2021-03-24 | 
         
            | 24 Mar 2021 | GTR 13-Phase 2 Task Force 0: Template for comments on the draft revised GTR text | GTR13-09-17 | 2021-03-24 | 
         
            | 21 Apr 2021 | Meeting minutes of the 9th GTR13-Phase 2 informal group | GTR13-09-18 | 2021-04-21 | 
         
            | 21 Apr 2021 | GTR 13-Phase 2 open items and schedule | GTR13-09-19 | 2021-04-21 |