| Revision 4 (2022) |
| Revision 4 | Amendment 1 (2022) |
| Revision 4 | Amendment 2 (2024) |
| Revision 4 | Amendment 3 (2024) |
| Revision 3 (2017) |
| Revision 3 | Amendment 1 (2019) |
| Revision 3 | Amendment 2 (2021) |
| Revision 3 | Amendment 3 (2021) |
| Revision 2 (2013) |
| Revision 2 | Amendment 1 (2014) |
| Revision 2 | Amendment 2 (2014) |
| Revision 2-Amendment 3 (2016) |
| Revision 2 | Amendment 4 (2016) |
| UN R94 (1995) |
| Earlier texts may be available through the UN Official Document System. |