Finances of the British royal family are not subject to legislation concerning income tax, capital gains tax or inheritance tax. Furthermore, the Sovereign has no legal liability to pay such taxes. The Duchy of Cornwall has a Crown exemption and the Prince of Wales is not legally liable to pay income tax on Duchy revenues. A "Memorandum of Understanding on Royal Taxation" was published on 5 February 1993 and amended in 1996, 2009 and 2013. It is intended that the arrangements in the memorandum will be followed by the next monarch. The memorandum describes the arrangements by which The Queen and The Prince of Wales make
State income tax for federal income tax purposes. For example, many states do not allow the additional first year depreciation deduction. Most states tax capital gain and dividend income in the same manner as other investment income. In this respect, individuals and corporations not resident in the state generally are not required to pay any income tax to that state with respect to such income. Some states have alternative measures of tax. These include analogs to the federal Alternative Minimum Tax in 14 states, as well as measures for corporations not based on income, such as capital stock taxes imposed by many states.