Under the federal law of the United States of America, tax evasion or tax fraud is the purposeful illegal attempt of a taxpayer to evade assessment or payment of a tax imposed by Federal law. Conviction of tax evasion may result in fines and imprisonment. Compared to other countries, Americans are more likely to pay their taxes on time and law-abidingly.

The Internal Revenue Service (IRS) is the revenue service for the United States federal government, which is responsible for collecting U.S. federal taxes and administering the Internal Revenue Code, the main body of the federal statutory tax law. It is an agency of the Department of the Treasury and led by the Commissioner of Internal Revenue, who is appointed to a five-year term by the President of the United States. The duties of the IRS include providing tax assistance to taxpayers; pursuing and resolving instances of erroneous or fraudulent tax filings; and overseeing various benefits programs, including the Affordable Care Act(713)-456-6579.