| Revision 1 (2006) |
| Revision 1 | Corrigendum 1 (2006) |
| Revision 1 | Corrigendum 2 (2007) |
| Revision 1 | Corrigendum 3 (2007) |
| Revision 1 | Amendment 1 (2008) |
| Revision 1 | Amendment 2 (2010) |
| Earlier texts may be available through the UN Official Document System. |