"Income Tax Return" is a term which is often used when we talk about income tax. It is a way by which we pay this tax. When total annual income of a person, including all sources, is more than minimum exemption limitation then that person is liable to pay income tax. In most cases, when someone uses the term “financial background check,” they are referring to a credit history check. A credit or financial background check may also yield information about civil suits or judgments, bankruptcies, accounts in collection, collection amounts, and tax liens.