Dupo is a village in St. Clair County, Illinois, United States. The population was 3,933 at the 2000 census. The village was settled in about 1750 and was incorporated in 1876. Its name is derived from Prairie du Pont.
What is tax law?
Tax law is the codified system of laws that describes taxes on economic transactions. Tax attorneys advise and represent individuals and businesses on all types of tax issues -- including income tax, payroll tax, property tax, and estate and gift taxes. Tax attorneys ensure that their clients are in compliance with federal and state laws and regulations, and represent taxpayers in enforcement proceedings initiated by the Internal Revenue Service (IRS) and/or state taxation agencies.