diplomatic immunitydiplomatic immunity
exemption from local taxation, court action, etc. in a foreign country, granted by international law to all members of a diplomatic service, their families, etc.
The exemption enjoyed by diplomatic agents, their families, and members of their mission staffs from many ordinary criminal and civil laws of their host country, as determined under terms established by treaty and international law.
diplomatic immunity - Legal Definition
An immunity granted by law or treaty to ambassadors and others with diplomatic status.