EXAMPLES FROM THE WEB FOR SURTAX
A surtax of 100% is placed on ready-made cotton clothing, and a surtax of 30% on colored threads.
Since April 1905 a surtax of 7% has been imposed on all goods of other than French origin.
This budget anticipates the extension of the surtax that Congress enacted last year.
Rich people, since the income tax, are officially those who pay the tax but not the surtax.
In addition, a surtax of five francs gold per bag (961⁄4 cents) was placed on every bag exported to pay carrying charges.
What we call the normal income tax is the ordinary tax; what we call the surtax is the supertax.