(1) The Executive Council may from time to time, on the nomination of the President of the Council, appoint so many persons, being members of the Oireachtas and not exceeding seven in number as the Executive Council shall consider necessary, to be Parliamentary Secretaries to the Executive Council or to Executive Ministers, and may at any time remove any Parliamentary Secretary so appointed.
(2) Every person appointed under the next preceding sub-section to be a Parliamentary Secretary shall continue to hold office so long only as he continues to be a member of the Oireachtas and the President of the Executive Council by whom he was nominated continues to hold office.
(3) A Minister who is not a member of the Executive Council may, with the approval of Dáil Eireann expressed by resolution, appoint a person being a member of the Dáil to be his Parliamentary Secretary and may at any time remove a Parliamentary Secretary so appointed.
(4) Every person appointed under the next prece