Revision 4 (2018)
Revision 4 | Amendment 1 (2019)
Revision 4 | Amendment 2 (2021)
Revision 4 | Amendment 3 (2022)
Revision 4 | Amendment 4 (2023)
Revision 4 | Amendment 5 (2025)
Revision 4 | Amendment 6 (2025)
Revision 3 (2014)
Revision 3 | Amendment 1 (2015)
Revision 3 | Amendment 2 (2017)
Revision 3 | Amendment 3 (2018)
Revision 3 | Amendment 4 (2023)
Revision 2 (2011)
Revision 2 | Corrigendum 1 (2012)
Revision 2 | Corrigendum 2 (2012)
Revision 2 | Corrigendum 3 (2013)
Revision 2 | Amendment 1 (2011)
Revision 2 | Amendment 2 (2012)
Revision 2 | Amendment 3 (2013)
Earlier texts may be available through the UN Official Document System.