As an ambassador plenipotentiary he represents the diplomatic image of his country.
the minister plenipotentiary
To appoint and recall plenipotentiary and to rectify and abrogate treaties and important agreement concluded with foreign states.
An ambassador extraordinary and plenipotentiary shall be the head of an embassy.
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.
an envoy extraordinary (and minister plenipotentiary)
ambassadors and ministers plenipotentiary