State Revenue/Sales Tax Websites
Arkansas Department of Finance & Administration
California State Board of Equalization
Colorado Department of Revenue
Connecticut – Department of Revenue Services
D.C. Office of Tax and Revenue
Hawaii – Department of Taxation
Illinois Department of Revenue
Kentucky Department of Revenue
LAOTA – Louisiana Association of Tax Administrators (Parish Info.)
Louisiana Department of Revenue
Massachusetts Department of Revenue
Michigan Department of Treasury
Mississippi State Tax Commission
Nebraska Department of Revenue
New York Department of Taxation and Finance
North Carolina Department of Revenue
North Dakota State Tax Commissioner
Pennsylvania Department of Revenue
Puerto Rico Treasury Department
Rhode Island Division of Taxation
South Carolina Department of Revenue
South Dakota Department of Revenue & Regulation
Tennessee Department of Revenue
Virginia Department of Taxation
Washington State Department of Revenue
West Virginia State Tax Department
Wisconsin Department of Revenue