False Income Tax Return — Unanimity as to Falsity is a type of tax fraud in which a taxpayer knowingly files a false income tax return with the intent of defrauding the Internal Revenue Service (IRS). This fraud involves falsifying information on the return such as income, deductions, credits, and other tax information in order to reduce the total tax liability or obtain a false refund. There are two types of False Income Tax Return — Unanimity as to Falsity: fraudulent returns filed with the IRS and fraudulent returns filed with state or local tax authorities. Fraudulent returns filed with the IRS are typically done by individuals or businesses who do not report all of their income, claim deductions or credits they are not entitled to, or make false statements regarding their employer or other information to reduce their tax liability or increase their refund. Fraudulent returns filed with state or local tax authorities are typically done by individuals or businesses who do not report all of their income, claim deductions or credits they are not entitled to, or make false statements regarding their employer or other information to reduce their tax liability or increase their refund.