Official Languages Act 2003
Use of official languages in Houses of Oireachtas.
6. —(1) A member of either House of the Oireachtas has the right to use either of the official languages in any debates or other proceedings in that House or of a committee of either House, a joint committee of both Houses or sub-committee of such a committee or joint committee.
(2) A person appearing before either House of the Oireachtas or before such a committee, joint committee or sub-committee as aforesaid has the right to use either of the official languages.
(3) Every official report of the debates and other proceedings of the Houses of the Oireachtas shall be published in each of the official languages, except that contributions (whether oral or in writing) in either of the official languages by persons may be published therein solely in that language.