Supplemental to action on international aviation, Parties may allow units from the mechanisms defined in Articles 6 and 12 [placeholder for new mechanisms] for the purposes of achieving the aforementioned targets.
4. 作为国际航空方面行动的补充，缔约方可为实现上述目标的目的允许来自第六条和第十二条[规定新机制的条款]规定的机制的单位。