Suppose a receiving State wants to expel diplomats representing the sending State.
My question is, what is the legal method of expelling a diplomat; in case the sending State refuses to comply with the request?
Can they deport the person in some sense, or revoke the diplomatic immunity?
Relevant articles from the Vienna Convention on Diplomatic Relations, 1961 are mentioned below.
9.1 The receiving State may at any time and without having to explain its decision, notify the sending State that the head of the mission or any member of the diplomatic staff of the mission is persona non grata or that any other member of the staff of the mission is not acceptable. In any such case, the sending State shall, as appropriate, either recall the person concerned or terminate his functions with the mission. A person may be declared non grata or not acceptable before arriving in the territory of the receiving State.
11.1 In the absence of specific agreement as to the size of the mission, the receiving State may require that the size of a mission be kept within limits considered by it to be reasonable and normal, having regard to circumstances and conditions in the receiving State and to the needs of the particular mission.