Paul Reuter, José Mico, Peter Haggenmacher

• Part 1: treaties; historical perspective; fundamental legal aspect; definition and classification of international treaties; notes. Part 2: conclusion, entry into force and participation. Part 3: the effects of treaties; effects with regard to the parties; effects with regard to non-parties; effects in relation to other legal rules; notes. Part 4: non-application of treaties; general observations; grounds for invalidity; non-application of a treaty for extraneous reasons; the law of treaties and international responsibility; notes. Appendices: Vienna Convention on the Law of Treaties (23 May 1969); Vienna Convention on the Law of Treaties Between States and International Organziations or Between International Organizations (21 March 1986).