Official source page 83

(b) the term of office of the President or Vice-President has ceased; or (c) the office of President or Vice-President has become vacant. (2) In the hearing and determine of an election petition under paragraph (a) of subsection (1) of this section, the Court of Appeal shall be duly constituted if it consists of at least three Justices of the Court Appeal. 240. Subject to the provisions of this Constitution, the Court of Appeal shall have jurisdiction to the exclusion of any other court of law in Nigeria, to hear and determine appeals from the Federal High Court, the High Court of the Federation Capital Territory, Abuja, High Court of a state, Sharia Court of Appeal of the Federal Capital Territory, Abuja, Sharia Court of Appeal of a state, Customary Court of Appeal of a state and from decisions of a court martial or other tribunals as may be prescribed by an Act of the National Assembly. 241. (1) An appeal shall lie from decisions of the Federal High Court or a High Court to the Court of Appeal as of right in the following cases - (a) final decisions in any civil or criminal proceedings before the Federal High Court or a High Court sitting at first instance; (b) where the ground of appeal involves questions of law alone, decisions in any civil or criminal proceedings; (c) decisions in any civil or criminal proceedings on questions as to the interpretation or application of this Constitution; (d) decisions in any civil or criminal proceedings on questions as to whether any of the provisions of Chapter IV of this Constitution has been, is being or is likely to be, contravened in relation to any person; (e) decisions in any criminal proceedings in which the Federal High Court or a High Court has imposed a sentence of death; (f) decisions made or given by the Federal High Court or a High Court - (i) where the liberty of a person or the custody of an infant is concerned, (ii) where an injunction or the appointment of a receiver is granted or refused, (iii) in the case of a decision determining the case of a creditor or the liability of a contributory or other officer under any enactment relating to companies in respect of misfeasance or otherwise, (iv) in the case of a decree nisi in a matrimonial cause or a decision in an admiralty action determining liability, and (v) in such other cases as may be prescribed by any law in force in Nigeria. (2) Nothing in this section shall confer any of appeal - (a) from a decision of the Federal High Court or any High Court granting unconditional leave to defend an action; (b) from an order absolute for the dissolution or nullity of marriage in favour of any party who, having had time and opportunity to appeal from the decree nisi on which the order was founded, has not appealed from that decree nisi; and (c) without the leave of the Federal High Court or a High Court or of Appeal, from a decision of the Federal High Court High Court made with the consent of the parties or as to costs only 242. (1) Subject to the provisions of section 241 of this Constitution, an appeal shall lie from decisions of the Federal High Court or a High Court to the Court of Appeal with the leave of the Federal High Court or that High Court or the Court Appeal