18. (1) Where the Code of Conduct Tribunal finds a public officer guilty of contravention of any of the provisions of this Code it shall impose upon that officer any of the punishments specified under sub-paragraph (2) of this paragraph and such other punishment as may be prescribed by the National Assembly.
(2) The punishment which the Code of Conduct Tribunal may impose shall include any of the following -
(a) vacation of office or seat in any legislative house, as the case may be;
(b) disqualification from membership of a legislative house and from the holding of any public office for a period not exceeding ten years; and
(c) seizure and forfeiture to the State of any property acquired in abuse or corruption of office.
(3) The sanctions mentioned in sub-paragraph (2) hereof shall be without prejudice to the penalties that may be imposed by any law where the conduct is also a criminal offence.
(4) Where the Code of Conduct Tribunal gives a decision as to whether or not a person is guilty of a contravention of any of the provisions of this Code, an appeal shall lie as of right from such decision or from any punishment imposed on such person to the Court of Appeal at the instance of any party to the proceedings.
(5) Any right of appeal to the Court of Appeal from the decisions of the Code of Conduct Tribunal conferred by sub-paragraph (4) hereof shall be exercised in accordance with the provisions of an Act of the National Assembly and rules of court for the time being in force regulating the powers, practice and procedure of the Court of Appeal.
(6) Nothing in this paragraph shall prejudice the prosecution of a public officer punished under this paragraph or preclude such officer from being prosecuted or punished for an offence in a court of law.
(7) The provisions of this Constitution relating to prerogative of mercy shall not apply to any punishment imposed in accordance with the provisions of this paragraph.