This bill will clearly cost nothing, but will raise revenue by the amount of voluntary taxes paid.

Originally a voluntary tax, in 1585 the "dîme" became mandatory.

The gleeful lobbyists portray the issue as a choice between voluntary and involuntary taxes.

A loose trade federation, perhaps, with some kind of voluntary tax to maintain peacekeeping forces and tradeways.

Proponents of some studies assert that individuals will give to government, paying voluntary taxes to support specific functions.

The certificates would have been financed by a voluntary 4-cent tax on each merchant handling them.

In 1904, he convinced the Danish post office to issue the seals as a kind of voluntary tax to aid tubercular children.

Its bill is designed to drive insurers and large employers toward paying a voluntary tax to the state.

It is also often referred to as a voluntary tax.

But it is also known as the 'voluntary tax' because there are so many exemptions and allowances.