Part 1 The problem of abuse. Part 2 The history and development of diplomatic relations: prehistory and antiquity; the Byzantines; the Middle Ages; the Renaissance and Classical periods; the modern period. part 3 The theoretical basis of diplomatic law: the early practice; the development of the juridical basis of diplomatic law; the "representative character" theory; the "exterritoriality" theory; the "functional necessity" theory; modern development; the Vienna Convention on Diplomatic Relations 1961. Part 4 The law of diplomatic privileges and immunites: the meaning of "diplomatic privileges and immunities"; inviolability and immunity from jurisdiction; inviolability; immunities from jurisdiction; persons entitled to diplomatic privileges and immunities; the position of the diplomatic bag; the substantive regime of diplomatic privileges and immunities - conclusions. Part 5 Controlling diplomatic privileges and immunities: administrative measures; punitive/deterrent measures; persona non grata; jurisdiction of the sending state; waiver of immunity; cessations of diplomatic privileges and immunities; conclusion. Part 6 Dealing with the problem of abuse - national measures: the United Kingdom; notification of staff; size of mission; diplomatic premises; the dipolomatic bag; immunity from jurisdiction; the United States of America; academic proposals; government action. Part 7 Dealing with the problem of abuse - international measures. Part 8 The continued relevance of the representative character theory: the effect of recent developments in the field of state immunity; the relationship between diplomatic privileges and immunities and state immunity; the principles of sovereignty, independence, equality and dignity ad elements of state immunity; effect of developments in the law of state immunity on the law of diplomatic privileges and immunities; the effect of the abandonment of the representive character theory; a duty to waive immunity?; responsibility of the sending state for the actions of its diplomatic personnel; the benefits of a direct right of action; implementing a direct right of action. Part 9 The necessity of the diplomatic function: interpreting functional necessity; the necessity of independence and freedom; the necessity of protection; diplpomatic inviolability; the special duty of protection; the necessity of diplomatic privileges and immunities.