| Revision 2 (2015) |
| Revision 2 | Amendment 1 (2017) |
| Revision 2 | Amendment 2 (2018) |
| Revision 2 | Amendment 3 (2018) |
| Revision 2 | Amendment 4 (2020) |
| Revision 2 | Amendment 5 (2022) |
| Revision 2 | Amendment 6 (2023) |
| Revision 1 (2011) |
| Revision 1 | Amendment 1 (2011) |
| Revision 1 | Amendment 2 (2012) |
| Revision 1 | Amendment 3 (2013) |
| Revision 1 | Amendment 3 | Corrigendum 1 (2013) |
| Revision 1 | Amendment 4 (2013) |
| Revision 1 | Amendment 5 (2015) |
| Revision 1 | Amendment 6 (2017) |
| Revision 1 | Amendment 7 (2018) |
| Earlier texts may be available through the UN Official Document System. |