(1) The Slovak Republic may, by its own discretion, enter into a state union with other states. A constitutional law, which shall be confirmed by a referendum, shall decide on the entry into a state union, or on the secession from such union.
(2) The Slovak Republic may, by an international treaty, which was ratified and promulgated in the way laid down by a law, or on the basis of such treaty, transfer the exercise of a part of its powers to the European Communities and the European Union. Legally binding acts of the European Communities and of the European Union shall have precedence over laws of the Slovak Republic. The transposition of legally binding acts which require implementation shall be realized through a law or a regulation of the Government according to Art. 120, para. 2.
(3) The Slovak Republic may for purpose of maintaining peace, security and democratic order, under conditions established by an international treaty, join an
organization of mutual collective security.
(4) The validity of international treaties on human rights and fundamental freedoms, international political treaties, international treaties of a military character,
international treaties from which a membership of the Slovak Republic in international organizations arises, international economic treaties of a general character, international treaties for whose exercise a law is necessary and international treaties which directly confer rights or impose duties on natural persons or legal persons, require the approval of the National Council of the Slovak Republic before ratification.
(5) International treaties on human rights and fundamental freedoms and international treaties for whose exercise a law is not necessary, and international
treaties which directly confer rights or impose duties on natural persons or legal persons and which were ratified and promulgated in the way laid down by a law shall have precedence over laws.