Notification respecting appointment, etc. of Ministers, Ministers of State, Deputy Ministers and Parliamentary Secretaries to be conclusive evidence thereof

10. The date on which any person becomes or ceases to be a Minister, a Minister of State, a Deputy Minister, or a Parliamentary Secretary, shall be notified in the Gazette and any such notification shall be conclusive evidence of the fact that he became or ceased to a Minister, a Minister of State, a Deputy Minister, or a Parliamentary Secretary on that date for all the purposes of this Act.