| Revision 3 (2023) |
| Revision 3 | Amendment 1 (2022) |
| Revision 3 | Amendment 2 (2023) |
| Revision 3 | Amendment 3 (2023) |
| UN R125: Revision 2 (2013) |
| Revision 2 | Amendment 1 (2016) |
| Revision 2 | Amendment 2 (2021) |
| Revision 2 | Amendment 3 (2022) |
| Revision 2 | Amendment 4 (2022) |
| Revision 1 (2013) |
| UN R125 (2008) |
| Amendment 1 (2008) |
| Amendment 2 (2010) |
| Amendment 3 (2011) |
| Earlier texts may be available through the UN Official Document System. |