Diplomatic immunity - Wikipedia, the free encyclopediaDiplomatic immunity is a form of legal immunity and a policy held between governments that ensures that diplomats are given safe passage and are considered not susceptible to lawsuit or prosecution under the host country's laws
There are no services rendered. It is travel on a public highway and diplomatic immunity gives them a pass, unless of course you want to see your diplomats and the old b*tch in the palace subject to the laws over here.