Legal history of income tax in the United States Legal history of income tax in the United States Taxation of income in the United States has been practised since colonial times. Some southern states imposed their own taxes on income from property, both before and after Independence. The Constitution empowered the federal government to raise taxes at a uniform rate throughout the nation, and required that "direct taxes" be imposed only in proportion to the Census population of each state. Federal income tax was first introduced under the Revenue Act of 1861 to help pay for the Civil War. It was renewed in later years and reformed in 1894
Income tax in Australia on annual turnover. Generally, capital gains are only subject to tax at the time the gain is realised and are reduced by 50% if the capital asset sold was held for more than 1 year. In Australia the financial year runs from 1 July to 30 June of the following year. The first income tax in Australia was imposed in 1902 by Queensland. Federal income tax was first introduced in 1915, as a wartime measure to help fund Australia’s war effort in the First World War. Between 1915 and 1942, income taxes were levied by both State governments and the