Participation in the Conference is open to the following:
- Representatives of States members of UNCTAD.
- Observers from organizations that have received a standing invitation from the General Assembly to participate in the sessions and work of all international conferences convened under its auspices in the capacity of observers.
- Observers from interested intergovernmental organs of the United Nations.
- Observers from specialized agencies and organizations institutionally linked to the United Nations.
- Officials of the United Nations Secretariat.
- Experts on mission for the United Nations.
- Other persons invited by the United Nations.