Section 14: Persons liable to examination.

(1)
Subject to the provisions of this section, this Act applies to persons arriving or departing Nigeria and to persons who are at any time therein after the commencement of this Act.
(2) Nothing in this section shall be construed to-
(a) require Nigerians to complete disembarkation cards on arriving Nigeria;
(b)
impose any restriction or liability under this Act as to entry, repatriation or deportation in respect of persons who satisfy an immigration officer that they are entitled, under any rule of law or enactment, to immunity from suit or legal process not being immunity in respect only of things done or omitted to be done in the course of their duties, and complete any other requirement of this Act before entry or departure;
(c) in respect of any particular requirement, affect persons exempted therefrom by the Minister under this Act ;
(d) prohibit the entry of any person who satisfies an immigration officer as to his identity as a citizen of Nigeria or as the holder of a valid travel document or that he is a person in the employment of the Federal, State or Local Government, as the case may be ;
(e) authorise the deportation from Nigeria of any citizen of Nigeria ; and
(f) exempt any person from medical examination if required by the immigration officer.
(3)
Where a person enters Nigeria as an exempted person under this Act and while in Nigeria thereafter ceases to be entitled to such exemption, he shall as soon as possible report the fact in writing to the Comptroller-General of lmmigration, and this Act shall have effect as if the person who ceased fo be exempted were a person desirous of entering Nigeria for the first time and the Comptroller-General of lmmigration may, if he thinks fit, refer the case to the Minister or may deal with the case himself.
(4)
A person affected by sub-section (3) of this section may, in the discretion of the Minister or such officer as the case may require, be issued with a permit to remain in Nigeria and if a permit is refused, the person affected shall be deemed to be a prohibited immigrant, and may be dealt with in accordance with the provisions of this Act.