The meeting is open to all members and alternate members of the Standing Committee and representatives of CMS Parties, CMS Agreements, partner organizations and other observers.

According to the Rules of Procedures, any Party or any observer admitted to the COP immediately preceding the meeting of the Committee, after advising the Secretariat of their intention to attend, can observe a meeting of the Committee. Other agencies or institutions that are not members of the Committee can participate as observers after approval of their participation by the Chair and Standing Committee members.