| Revision 6 | Amendment 1 (2025) |
| Revision 5 (2024) |
| Revision 5 | Amendment 1 (2024) |
| Revision 4 (2024) |
| Revision 4 | Amendment 1 (2022) |
| Revision 4 | Amendment 2 (2023) |
| Revision 3 (2021) |
| Revision 3 | Amendment 1 (2022) |
| Revision 2 (2020) |
| Revision 2 | Amendment 1 (2021) |
| Revision 1 (2020) |
| Revision 1 | Amendment 1 (2020) |
| Revision 1 | Amendment 2 (2020) |
| UN R0 (2018) |
| Amendment 1 (2019) |
| Amendment 2 (2020) |
| Earlier texts may be available through the UN Official Document System. |