Tax Evasion — Tax Deficiency Defined is the deliberate act of not paying a debt or taxes that are due to the government. Tax evasion is a serious crime and can result in criminal prosecution and heavy fines. Tax evasion is typically accomplished by not declaring all of one's income, which can be done by not filing a tax return, not reporting all of one's income, or not reporting all of one's deductions. There are three main types of tax evasion — Tax Deficiency Defined. These include: 1. Willful Tax Evasion — This involves not filing a tax return, not reporting all of one's income, or not reporting all of one's deductions. It is considered a serious crime and can result in criminal prosecution and heavy fines. 2. Tax Fraud — This type of tax evasion involves using false documents or providing false information on a tax return to reduce the amount of tax paid. Tax fraud can also include using tax havens to hide assets or income. 3. Negligent Tax Evasion — This type of tax evasion occurs when a taxpayer fails to file a tax return or report all of their income and deductions. Negligent tax evasion can result in penalties and fines.