In this context , when signing the Acts adopted by the 24th Universal Postal Congress , including the Agreement , the relevant Member States made a Declaration stating that their countries will apply the Acts adopted by the Congress in accordance with their obligations pursuant to the Treaty establishing the European Community and the General Agreement on Tariffs and Trade ( GATT ) of the World Trade Organization .
In this context , when signing the Acts adopted by the 24th Universal Postal Congress , including the Agreement , the relevant Member States made a Declaration stating that their countries will apply the Acts adopted by the Congress in accordance with their obligations pursuant to the Treaty establishing the European Community and the General Agreement on Tariffs and Trade ( GATT ) of the World Trade Organization .