The Council of Ministers concludes international agreements requiring ratification, and accepts and renounces other international agreements (Article 146, paragraph 4, sub-section 10 of the Constitution). The President, as representative of the state in foreign affairs, ratifies and renounces international agreements, and notifies the House and the Senate thereof (Article 133 of the Constitution). The President cooperates with the Prime Minister and the appropriate minister in respect of foreign policy. The Prime Minister informs the House of any intention to submit, for ratification by the President, any international agreements whose ratification does not require consent granted by statute.

Ratification of an international agreement, as well as renunciation thereof, requires prior consent granted by statute if such agreement concerns (i) peace, alliances, political or military treaties; (ii) the freedoms, rights or obligations of citizens; (iii) the Republic's membership in an international organization; (iv) considerable financial responsibilities imposed on the State; and (v) matters regulated by statute or those in respect of which the Constitution requires the form of a statute (Article 89 of the Constitution).

The Republic may, by virtue of international agreements, delegate to an international organization or international institution the competence of state bodies in relation to certain matters. A statute granting consent for ratification of such an agreement must be passed by the House by a two-thirds majority vote in the presence of at least half of all deputies, and by the Senate by a two-thirds majority vote in the presence of at least half of all senators. Granting of consent for ratification of such agreements may also be passed by a nationwide referendum.