International treaties are now, more than in the past, playing a fundamental role in international trade relations. With the fast developing communication systems and technology, the phenomenon of globalization is affecting all aspects of modern activities, transactions between countries are becoming faster, more complex and intricate. Currently more than 50.000 international treaties are in force, of which 600 deal only with multilateral trade and 210 on trade and investment, covering international contracts, investment, intellectual property, customs, finance, transport, environment, dispute resolution, treaty law and WTO agreements. In order to draw the best benefits from the potential impact of treaty law development in Mozambique, it is advisable to go beyond routine conclusion and management of treaties. There is need to build a positive image of Mozambique as a trade and investment destination. The worldwide dissemination of information on domestic policies can be a valuable exercise: opening new frontiers in treaty law for business, investments and technology, promoting better cooperation opportunities; spotting and transforming into concrete benefits potential transactions an be initiated by the Government, with the active participation of the private sector organizations, in order to use the treaty making process as a development policy tool for poverty eradication.