The Rome Statute established the International Criminal Court in 2002 as a permanent tribunal to prosecute individuals accused of the most serious crimes of international concern, and provided that a review conference be held seven years after the entry into force.
The transitional provision of Article 124 regarding the war crimes opt-out was also discussed at the review conference, but it was decided to retain it for the time being.
There was some disagreement as to whether the amendment relating to the definition of the crime of aggression needs ratification by seven eighths of the states parties (as a change of institutional provisions would) to enter into force or if it comes only in force for those countries that have ratified it (as a change of crime provisions would and as the amendment itself puts it).
[5] In September 2007, Trinidad and Tobago specifically called for drug trafficking to be included in the list of crimes.
[6] The British television media company ITN wrote to the UK government in 2007 asking them to support an amendment to the definition of war crimes to include the intentional targeting of journalists.