Conviction for treason or felony to be disqualification for offices, etc

(1) If any person hereafter convicted of treason or felony, for which he is sentenced to death, or any term of imprisonment exceeding twelve months, holds at the time of such conviction any military, naval, air force or civil office under the Government or other public employment, or any place, office or emolument in any City Council, Town or Village Council, or other public corporation, or being entitled to any pension or superannuation allowance payable by the public or out of any public fund, such office, employment or place shall forthwith become vacant, and such pension or superannuation allowance or emolument shall forthwith determine and cease to be payable unless such person receives a free pardon from the Governor General, within two months after such conviction, or before the filling up of such office or employment if that pardon is given at a later period.