4. Regional integration organizations, in matters within their competence, may exercise their right to vote in the meeting of States Parties, with a number of votes equal to the number of their member States that are Parties to the present Protocol. Such an organization shall not exercise its right to vote if any of its member States exercises its right, and vice versa.
四. 区域一体化组织可以在缔约国会议上，对其权限范围内的事项行使表决权，其票数相当于已成为本议定书缔约国的组织成员国的数目。如果区域一体化组织的任何成员国行使表决权，则该组织不得行使表决权，反之亦然。