1. Pacta sund servanda and international treaties. 2. Main types and requirements for treaties. 3 .General characteristic of Vienna conventions on the law of treaties1969 and 1986. 4. Concluding of treaty. 5. Reservations. 6. Invalidity of treaty. 7. Termination and suspension of a treaty. 8. Moot court hearing 9. Analyse the case South West Africa (Ethiopia v. South Africa) South West Africa (Liberia v. SouthAfrica) 10. Analyse the case North Sea Continental Shelf (Federal Republic of Germany/Denmark) North Sea Continental Shelf (Federal Republic of Germany/Netherlands) 11. Analyse the case Aegean Sea Continental Shelf (Greece v. Turkey)