| GRSG/2011/22 | Proposal for amendments to Regulation No. 61 | |
| WP.29/1044/Rev.1 | General Guidelines for UN regulatory procedures and transitional provisions in UN Regulations | |
| GRSG-102-28 | Proposal for amendments to Regulation No. 61 | |
| GRSG-102-05 | Proposal for amendments to Regulation No. 61 |