Constitution of Kenya, 2010 184 (b) any function or power that is required to be performed or exercised by both Houses, acting jointly or one after the other, shall be performed or exercised by the National Assembly. (2) Any function or power of the Senate shall, if performed or exercised by the National Assembly before the date contemplated in subsection (1), be deemed to have been duly performed or exercised by the Senate. The Executive. 12. (1) The persons occupying the offices of President and Prime Minister immediately before the effective date shall continue to serve as President and Prime Minister respectively, in accordance with the former Constitution and the National Accord and Reconciliation Act, 2008 until the first general elections held under this Constitution, unless they vacate office in terms of the former Constitution and the Accord. (2) The persons occupying the offices of Vice-President and Deputy Prime Minister or holding a position in the Cabinet or as an Assistant Minister immediately before the effective date shall continue to serve in accordance with the former Constitution until the first general elections held under this Constitution unless they vacate or are removed from office in accordance with the former Constitution and the National Accord and Reconciliation Act. (3) A person who was elected President before the effective date is not eligible to stand for election as President under this Constitution. Oath of allegiance to this Constitution. 13. On the effective date, the President and any State officer or other person who had, before the effective date, taken and subscribed an oath or affirmation of office under the former Constitution, or who is required to take and subscribe an oath or affirmation of office under this Constitution, shall take and subscribe the appropriate oath or affirmation under this Constitution. PART 4—DEVOLVED GOVERNMENT Operation of provisions relating to devolved government. 14. (1) The laws contemplated in section 2 (3) (b) and section 15 may be enacted only after the Commission on the Implementation of the Constitution and, if it has been established, the Commission on Revenue Allocation, have been consulted and any recommendations of the Commissions have been considered by Parliament.