Estate tax in the United States subject to a different regime for estate tax than U.S. citizens and residents. The estate tax is imposed only on the part of the gross non-resident alien's estate that at the time of death is situated in the United States. These rules may be ameliorated by an estate tax treaty. The U.S. does not maintain as many estate tax treaties as income tax treaties, but there are estate tax treaties in place with many of the major European countries, Australia, and Japan. U.S. real estate owned by a non-resident alien through a foreign corporation is not included in a non-resident
Income tax in Singapore of assessment is based on income earned in the preceding calendar year. Taxation is based on the source principle, in which only income earned at source, in this case in Singapore, or those derived from overseas but received in Singapore, are taxable. Any income arising from sources outside Singapore and received in Singapore on or after 1 January 2004 by an individual (other than partners of a partnership) is exempt from tax. This system has the potential to allow for tax avoidance practiced by individuals who derive income from abroad, gain tax exemptions via their non-resident status there, and use