The President solves the fundamental issues of foreign policy and, together with the Government, implements foreign policy (Article 84 of the Constitution). He or she signs international treaties and submits them to the parliament for ratification. More precisely, the parliament ratifies or denounces international treaties (i) on the redrawing of the state borders, (ii) on political co-operation with foreign countries and mutual assistance as well as defence treaties relating to national defence, (iii) on the renunciation of the use or threat of force as well as peace treaties, (iv) on the presence and status of the armed forces on the territory of a foreign state, (v) on the participation in universal and regional international organisations, and (vi) multilateral or long-term economic agreements (Article 138 of the Constitution).