2. Term of office of President:
(1) The President shall hold office for five years :
Provided that—
(a) a President may, by resignation under his hand addressed to the Chairman of the Council of States and the Speaker of the House of the People, resign his office;
(b) a President may, for violation of the Constitution, be removed from office by impeachment in the manner provided in sub-clause (2).
(2) (a) When a President is to be impeached for violation of the Constitution, the charge shall be preferred by either House of the Federal Parliament; but no proposal to prefer such charge shall be adopted by that House except upon a resolution of the House supported by not less than two-thirds of the total membership of the House.
(b) When a charge has been so preferred by either House of the Federal Parliament, the other House shall investigate the charge or cause the charge to be investigated and the President shall have the right to appear and to be represented at such investigation.
(c) If as a result of the investigation a resolution is passed supported by not less than two-thirds of the total membership of the House by which the charge was investigated or caused to be investigated, declaring that the charge preferred against the President has been sustained, the resolution shall have the effect of removing the President from his office as from the date of the resolution.
(3) A person who holds, or who has held, office as President shall be eligible for re-election once, but only once.
[Note: Sub-clauses (1)(b) and (2) follow article 12(10) of the Irish Constitution; sub-clause (3) is also taken from the Irish Constitution.]