All taxes shall be uniform, upon the same class of subjects, within the territorial limits of the authority levying the tax, and shall be levied and collected under general laws.
(Nov. 6, 1923, P.L.1117, J.R.1; Nov. 4, 1958, 1957 P.L.1021, J.R.3; Nov. 7, 1961, P.L.1785, J.R.6; Nov. 2, 1965, P.L.1908, J.R.2; Apr. 23, 1968, P.L.App.9, Prop. No.5)