(1) No citizen recruited for employment in Nigeria shall be employed until he has-
(a) been medically examined under section 8 of this section and passed fit to perform the work for which he has been recruited; and
(b) been brought before an authorized labour officer and certified as properly and duly recruited in accordance with this Part of this Act.
(2) An authorized labour officer shall, before issuing a certificate under subsection (1) (b) of this section, satisfy himself that the contract conforms with Part I of this Act and that the recruited worker-
(a) understands and agrees to the terms upon which he is to be employed;
(b) has not been subjected to illegal pressure or recruited by misrepresentation or mistake;
(c) has been recruited in accordance with this Part of this Act;
(d) is accompanied by such members of his family as he wishes to take with him under section 34 of this Act;
(e) subject to section 27 (4) of this Act, is of or above the age of eighteen years; and
(f) has been medically examined and passed fit to perform the work for which he has been recruited.
Section 33 of the Labour Act in Nigeria