| Revision 2 (2013) |
| Revision 2 | Amendment 1 (2014) |
| Revision 2 | Amendment 2 (2014) |
| Revision 2 | Amendment 3 (2015) |
| Revision 2 | Amendment 4 (2017) |
| Revision 2 | Amendment 5 (2018) |
| Revision 2 | Amendment 6 (2019) |
| Revision 2 | Amendment 7 (2020) |
| Revision 2 | Amendment 8 (2021) |
| Revision 2 | Amendment 9 (2021) |
| Earlier texts may be available through the UN Official Document System. |