| Download: WP.29/1172 | from UNECE: | .pdf format | .docx format |
| Download: WP.29/1172/Amend.1 | from UNECE: | .pdf format | .docx format |
| 4.9.6. | Proposal for Supplement 1 to the 04 series of amendments to UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip) |