During World War I, many taxpayers felt that it was their patriotic duty to pay more than their assessed tax. Some were not legally obliged to pay tax but did so and others made payments of double, treble or quadruple the assessed amounts.
- Maximum contribution base
A limit to the amount of superannuation contributions that an employer is required to provide for an employee.
- Medicare levy
An amount payable by most taxpayers to cover some of the cost of the public health system.
- Medicare levy surcharge
An extra amount payable by some taxpayers in addition to the Medicare levy. A taxpayer may have to pay the surcharge if they do not have the appropriate level of private hospital cover with a health fund and their Medicare levy surcharge income exceeds the threshold.
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The proportion of taxable income that is paid as tax. The income tax rate is expressed as a percentage or in cents-per-dollar. Companies have a set tax rate, unlike individuals, whose tax rate increases as the amount of taxable income increases.read more glossary terms