| UN R109: Revision 1 (2010) |
| UN R109: Revision 1-Corrigendum 1 (2013) |
| UN R109: Revision 1-Amendment 1 (2016) |
| Revision 1 | Amendment 2 (2017) |
| Revision 1 | Amendment 3 (2019) |
| Revision 1 | Amendment 4 (2021) |
| Revision 1 | Amendment 5 (2023) |
| Revision 1 | Amendment 6 (2024) |
| Revision 1 | Amendment 7 (2025) |
| Earlier texts may be available through the UN Official Document System. |