4 4° Ireland affirms its commitment to the European Union within which the member states of that Union work together to promote peace, shared values and the well-being of their peoples.
5° The State may ratify the Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community, signed at Lisbon on the 13th day of December 2007 (“Treaty of Lisbon”), and may be a member of the European Union established by virtue of that Treaty.
6° No provision of this Constitution invalidates laws enacted, acts done or measures adopted by the State, before, on or after the entry into force of the Treaty of Lisbon, that are necessitated by the obligations of membership of the European Union referred to in subsection 5° of this section or of the European Atomic Energy Community, or prevents laws enacted, acts done or measures adopted by—
i the said European Union or the European Atomic Energy Community, or institutions thereof,
ii the European Communities or European Union existing immediately before the entry into force of the Treaty of Lisbon, or institutions thereof, or
iii bodies competent under the treaties referred to in this section,
from having the force of law in the State.
6 No international agreement shall be part of the domestic law of the State save as may be determined by the Oireachtas.
9 The State may ratify the Rome Statute of the International Criminal Court done at Rome on the 17th day of July, 1998. (Art. 29)