The Montreal Protocol was a treaty body with its own personality under international law, and the contracting Parties to that treaty had decided that the Parties would nominate the Chief Officer, who would then be appointed by the Executive Director of UNEP.
是一个条约机构，根据国际法有其自己的法人地位。 条约缔约方已决定由缔约方提名主任，然后由环境署执行主任任命。