Section 15: Effect of oath of allegiance, etc., on persons not citizens of Nigeria.

(1) Where a person not a citizen of Nigeria is, while in Nigeria, for any reason required to take the Oath of Allegiance of Nigeria or other oath relevant to his employment, the Oath of Allegiance shall, upon the termination of his residence or stay in Nigeria cease to be binding upon him but any other oath taken shall continue to have effect according to its tenor.
(2) Nothing in this Act shall be construed to the prejudice of the allegiance which any such person may owe irrespective of the taking of the Oath of Allegiance for the time being to Nigeria.