(1) An additional tax on certain kinds of income that has already been taxed
(1) They were unlikely to get the chance, with supertax at almost 100%.
(2) To many country-house owners, it seemed that GütterdÜmmerung had arrived, and their way of life was being swept away in a flood of supertax and crippling fuel bills.
(3) He decided to introduce a British-style graduated income tax on unearned income from rent and interest, profits, and earned income, with supertax on incomes over 5,000 francs.
(4) And he would impose progressive supertaxes upon valuable mineral, timber, and water power holdings, and upon certain agricultural lands not cultivated by the owners.
surtax