the minister plenipotentiary
ambassadors and ministers plenipotentiary
an envoy extraordinary (and minister plenipotentiary)
As an ambassador plenipotentiary he represents the diplomatic image of his country.
An ambassador extraordinary and plenipotentiary shall be the head of an embassy.
To appoint and recall plenipotentiary and to rectify and abrogate treaties and important agreement concluded with foreign states.
We have been co-operating with Raoping Lucky Bamboo Corporation for a long term, as our working partner in Mainland China, it is our plenipotentiary in our product sales.