of the National Industrial Court unless the person is qualified to practice as a legal practitioner in Nigeria and has been so qualiJied for a period of not less than ten years and has considerable knowledge and experience in the law and practice of industrial relations and employment conditions in Nigeria. (4) A person shall not be eligible to hold the office of a Judge of the National Industrial Court unless the person is a legal practitioner in Nigeria and has been so qualified for a period of not less than ten years and has considerable knowledge and experience in the law and practice of industrial relations and employment conditions in Nigeria. (5) If the oJlicc of the President of the National Industrial Court is vacant, or if the person holding the office is for any reason unable to perform the functions of the of1icc, then, until a person has been appointed to and assumed the functions of that ollicc or until the person holding the office has resumed those functions, the President shall appoint the most senior Judge of the Court having the qualiJication to be appointed as President of the National Industrial Court as provided under subsection (3) of this section to perform those functions. (6) Except on the recommendation of the National Judicial Council, an appointment pursuant to the provisions of subsection (5) of this section shall cease to have effect after the expiration of three months from the elate of such appointment and the President shall not re-appoint a person whose appointment has lapsed. Jurisdiction 254 C- (I) Notwithstanding the provisions of sections 251, 257, 272 and anything contained in this Constitution and in addition to such other jurisdiction as may be conferred upon it by an Act of the National Assembly, the National Industrial Court shall have and exercise jurisdiction to the exclusion of any other court in civil causes and matters(a) relating to or connected with any labour, employment, trade unions, industrial relations and matters arising from workplace, the conditions of service, including health, safety, wei f~1rc of labour, employee, worker and matters incidental thereto or connected therewith; (b) relating to, connected with or arising from Factories Act, Trade Disputes Act, Trade Unions Act, Labour Act, Employees' Compensation Act or any other Act or Law relating to labour, employment, industrial relations,