(a) subject to the provisions of section 28 of this Constitution, he has voluntarily acquired the citizenship of a
country other than Nigeria or, except in such cases as may be prescribed by the National Assembly, he has made
a declaration of allegiance to such other country; or
(b) he has been elected to such office at any two previous elections; or
(c) under the law in any part of Nigeria, he is adjudged to be a lunatic or otherwise declared to be of unsound
mind;
or
(d) he is under a sentence of death imposed by any competent court of law or tribunal in Nigeria or a sentence of
imprisonment or fine for any offence involving dishonesty or fraud (by whatever name called) or for any other
offence, imposed on him by any court or tribunal or substituted by a competent authority for any other sentence
imposed on him by such a court or tribunal; or
(e) within a period of less than ten years before the date of the election to the office of President he has been
convicted and sentenced for an offence involving dishonesty or he has been found guilty of the contravention of
the Code of Conduct; or
(f) he is an undischarged bankrupt, having been adjudged or otherwise declared bankrupt under any law in force
in Nigeria or any other country; or
(g) being a person employed in the civil or public service of the Federation or of any State, he has not resigned,
withdrawn or retired from the employment at least thirty days before the date of the election; or
(h) he is a member of any secret society; or
(i) he has been indicted for embezzlement or fraud by a Judicial Commission of Inquiry or an Administrative
Panel of Inquiry or a Tribunal set up under the Tribunals of Inquiry Act, a Tribunals of Inquiry Law or any other
law by the Federal or State Government which indictment has been accepted by the Federal or State
Government, respectively; or
(j) he has presented a forged certificate to the Independent National Electoral Commission.
(2) Where in respect of any person who has been (a) adjudged to be a lunatic;
(b) declared to be of unsound mind;
(c) sentenced to death or imprisonment; or
(d) adjudged or declared bankrupt
(e) any appeal against the decision is pending in any court of law in accordance with any law in force in Nigeria,
subsection (1) of this section shall not apply during a period beginning from the date when such appeal is lodged
and ending on the date when the appeal is finally determined or, as the case may be, the appeal lapses or is
abandoned, whichever is earlier.
138. The President shall not, during his tenure of office, hold any other executive office or paid employment in
any capacity whatsoever.
139. The National Assembly shall by an Act make provisions as respects (a) persons who may apply to the Court of Appeal for the determination of any question as to whether;
(i) any person has been validly elected to the office of President or Vice-President
(ii) the term of office of the President or Vice President has cease, or
(iii) the office of the President or Vice-President has become vacant
(b) circumstances and manner in which, and the conditions upon which such application may be made; and
(c) powers, practice and procedure of the Court of Appeal in relation to any such application.