| GRSG-107-20 | Proposal for amendments to Regulation No. 39 | |
| GRSG-107-29/Rev.1 | Proposal for draft amendments to Regulation No. 39 | |
| GRSG-107-29/Rev.1 | Proposal for draft amendments to Regulation No. 39 | |
| GRSG/2014/32 | Proposal for amendments to Regulation No. 39 | |
| GRSG/2014/32 | Proposal for amendments to Regulation No. 39 |