| BC-VI/29 | International cooperation |   |
| BC-10/10 | Review of cooperation with the World Customs Organization and its Harmonized System Committee |   |
| UNEP/CHW/OEWG.10/OEWG-10/12 | Cooperation with the World Customs Organization on the Harmonized Commodity Description and Coding System |   |
| BC-14/9 | Cooperation with the World Customs Organization on the Harmonized Commodity Description and Coding System |   |
| BC-15/12 | Cooperation with the World Customs Organization on the Harmonized Commodity Description and Coding System |   |
| BC-16/8 | Cooperation with the World Customs Organization on the Harmonized Commodity Description and Coding System |   |