No appropriation shall be made, or any expenditure authorized by the Legislature, whereby the expenditure of the State, during any fiscal year, shall exceed the total tax then provided for by law, and applicable for such appropriation or expenditure, unless the Legislature making such appropriation, shall provide for levying a sufficient tax, not exceeding the rates allowed in section seven of this article, to pay such appropriation or expenditure within such fiscal year. This provision shall not apply to appropriations or expenditures to suppress insurrections, defend the State, or assist in defending the United States in time of war.