| Revision 4 | Amendment 1 (2023) |
| Revision 4 | Amendment 2 (2024) |
| Revision 3 (2017) |
| Revision 3 | Amendment 1 (2019) |
| Revision 3 | Amendment 2 (2020) |
| Revision 3 | Amendment 3 (2021) |
| Revision 3 | Amendment 4 (2022) |
| Revision 3 | Amendment 5 (2023) |
| Revision 2 (2015) |
| Revision 2 | Amendment 1 (2017) |
| Revision 2 | Amendment 2 (2019) |
| Revision 1 (2011) |
| Earlier texts may be available through the UN Official Document System. |