Monitoring reports are developed by the regional organization groups and global coordination group to support the periodic evaluations of the effectiveness of Convention to be undertaken by the Conference of the Parties to the Stockholm Convention. The Guidance on the global monitoring plan for persistent organic pollutants, the Global monitoring plan for persistent organic pollutants as amended after the fourth meeting of the Conference of the Parties, and the Implementation of the global monitoring plan for effectiveness evaluation as amended after the fourth meeting of the Conference of the Parties provide further details on the process for developing the monitoring reports.