(1) In addition to any other powers conferred by this Act, an authorized labour office may for the purpose of facilitating or ensuring the proper operation of this Act-
(a) enter, inspect and examine by day or night any labour encampment, farm, factory or other land or workplace whatsoever (and every part thereof) if he has reasonable cause to believe that any worker is employed therein or thereon;
(b) enter, inspect and examine by day any premises provided by an employer in which he has reasonable cause to believe that workers are living;
(c) enter, inspect and examine any hospital building, sanitary convenience, messroom or water supply provided for or used by workers;
(d) take with him a police officer if he has reasonable cause to apprehend any serious obstruction in the execution of his functions;
(e) require the production of any registers, certificates, notices or other documents kept in pursuance of this Act and inspect, examine and copy any of them;
(f) make such examination and enquiry as may be necessary to ascertain whether the provisions of this Act are being complied with, so far as respects any labour encampment, farm, factory or other land or workplace whatsoever and any person employed therein or thereon;
(g) inspect and examine all food provided for the use of workers and take samples thereof, so however that-
(i) any sample taken in pursuan ce of this paragrap h shall be taken in duplicat e in the presence of the employe r of the workers (or, if the employe r is not readily availabl e, in the presence of a foreman or other responsi ble person) and shall be labelled and sealed in the presence of the employe r, foreman or other responsi ble person, and
(ii) one sample so labelled and sealed shall be left with the employer, foreman or other responsi ble person;
(h) take or remove for the purpose of analysis samples of materials and substances used or handled by workers from premises not covered by the Factories Act, subject to the employer or his representative being notified and given an opportunity to be present when the samples are taken;
(i) interrogate, either alone or in the presence of another person as he thinks fit, with respect to matters to which this Act relates, any person whom he finds in or on any labour encampment, farm, factory or other workplace whatsoever or whom he has reasonable cause to believe to have been within the preceding three months employed in or on any labour encampment, farm, factory or other land or workplace whatsoever, so however that no person shall be forced to answer any question tending to incriminate himself;
(j) with the consent in writing of the Minister and subject to any powers conferred by the Constitution of the Federal Republic of Nigeria on the Attorney-General or Director of Public Prosecutions of the Federation or a State, prosecute, conduct or defend before a magistrate's court, a district court or a court given jurisdiction under section 80 (2) of this Act in his own name (or, where he is acting under section 83 (5) of this Act, in the name of the complainant) any complaint or other proceeding arising under this Act or otherwise in the exercise of his functions as an authorized labour officer;
(k) direct any person who has in his opinion contravened any provision of this Act, to remedy the contravention within a specified and reasonable period; and
(l) direct the posting of a notice in any premises if he is satisfied that it is necessary or expedient for the proper implementation of this Act.
(2) Any person directed to take remedial action under subsection (1) (k) of this section may, if he is dissatisfied with the direction, within fourteen days or within any period stated in the direction, whichever is the less, appeal m writing to the Minister, who may refer the case for advice to any person or persons considered by him to be suitable and whose decision shall be final.
(3) Any person who-
(a) obstructs an authorized labour officer in the exercise of his functions under this section or any other provision of this Act; or
(b) fails to comply with a direction under subsection (1) (k) of this section (no appeal having been made under subsection (2) of this section or any such appeal having been disposed of); or
(c) fails to comply with a direction under subsection (1) (l) of this section,
shall be guilty of an offence and on conviction shall be liable to a fine not exceeding N1,000 or to imprisonment for a period not exceeding two years, or to both.
Section 78 of the Labour Act in Nigeria