The Meeting of the Parties is the main governing body of the Protocol. It comprises all Parties to the Protocol. At its meetings, other States as well as intergovernmental and non-governmental organizations participate as observers. The mandate of the Meeting of the Parties is to keep under continuous review the implementation of the Protocol and take the necessary measures required to achieve the purposes of the Protocol.

The third session of the Meeting of the Parties will be held in 2013. The second session took place on 23-25 November 2010, in Bucharest, hosted by the Government of Romania. The first session of the Meeting of the Parties was held in Geneva on 17-19 January 2007.