$11$ point

The UN Environment Assembly is open for participation of $193$ States Members of the United Nations. It is also open for participation as observers to: specialized agencies and related organizations, the United Nations bodies and entities, the intergovernmental organizations and regional economic integration organizations $($rule $69)$

all of these

international non$-$governmental organizations $($rule $70).$

members of specialized agencies which are not members of the UN Environment Assembly $($rule $68$ of the rules of procedure of UN Environment Assembly$)$