Section 15: Examination of persons entering or learing Nigeria-

(1) A person entering or leaving Nigeria shall-
(a) report to an immigration officer for examination ; and
(b) furnish such information in his possession as that officer may reasonably require for the purpose of this Act.
(2) The immigration officer may refuse admission in any improper case
(3) A person liable to be examined by an immigration officer shall, if directed to do so by such officer in the course of his examination-
(a) declare whether or not he is carrying or conveying any document of any description specified by that;
(b) officer, being a description appearing to that officer to be relevant for the purpose of the examination ; and
(c)
produce to the officer any document of such description which he is carrying or conveying and the power to examine any such person shall include power to search him and any baggage belonging to him or under his control with a viery to ascertaining whether he is carrying or conveying any such document:
Provided that nothing in sub-section (1) of this section shall authorize the search of any woman or girl except by a female officer.
(4) An immigration officer may examine, and may detain, for such time as he thinks proper for the purpose of examination not exceeding seven days, any document produced pursuant to or found on a search under this section.
(5)
Reference in this Act to person landing in Nigeria from or arriving at parts in Nigeria as members of the crew of ships or aircrafts, or any other means of transportation, does not include reference to persons landing from a ship or aircraft which began its journey at a place in and has not during the journey called at any place outside Nigeria.
(6) For the avoidance of doubt-
(a) a person seeking entry shall be treated as having been admitted into Nigeria after he has complied with all formarities prescribed for inspection by immigration, health and customs authorities and whether the compliance is subject to conditions or otherwise : and
(b)
any permit or visa issued under any repealed Act and valid immediately before the commencement of this Act, shall, on the commencement thereof, be deemed to have been issued under this Act for the unexpired balance of the term of the permit.