(d) for the application in the case of members of a particular race or tribe of customary law with respect to any matter in the case of persons who, under that law, are subject to that law. (6) Subsection (3) shall not apply to anything which is expressly or by necessary implication authorised to be done by any such provision of law as is referred to in subsection (5). (7) The exercise of any discretion to the relating to the institution, conduct or discontinuance of civic or criminal proceedings in any court that is vested in any person by the Constitution or any other law shall not be enquired into by any court on the grounds that it contravenes the provisions of subsections (3). Declaration of 34. Of state of public emergency (1) The President may, at any time, by Proclamation published in the Gazette, declare that(a) (b) a state of public emergency exists in the whole or any part of The Gambia; a situation exists which, if it is allowed to continue, may lead to a state of public emergency. (2) A declaration made under this section shall lapse at the expiration of a period of seven days, or if the National Assembly is not then in session twentyone days, beginning on the day on which the Proclamation is published in the Gazette unless, before the expiration of that period, it has been approved by a resolution of the National Assembly supported by the votes of not less than two-thirds of all the members thereof. (3) A declaration made under subsection (1) may at any time be revoked by the President by Proclamation which shall be published in the Gazette. (4) A declaration made under subsection (1) that has been approved by a resolution of the National Assembly shall, subject to subsection (3), remain in force so long as that resolution remains in force and no longer.