Tax checks are a form of financial audit that is conducted to ensure that taxes are being paid correctly. They involve an examination of the financial records of an individual or business to ensure that all taxes have been paid in full and on time. Tax checks are typically conducted by the Internal Revenue Service (IRS) or other government agencies. The purpose of tax checks is to ensure that taxpayers are paying their fair share of taxes and to identify any discrepancies or errors in the filing of taxes.