Are observers required as part of an on-site inspection?
Observers are not specifically required as part of an on-site inspection, but the State Party requesting the inspection may send a representative to observe it. Observers may be nationals of the requesting State Party or of third State Parties. The Treaty stipulates that there should be no more then three observers and that they should be subject to the inspected State Party’s acceptance. During the on-site inspection, the observers have the right to be informed about all activities and findings, and to make recommendations to the inspection team.