As always, we want to be your first source for tax information you turn to. Please feel free to contact us if you cannot locate the answers you need, or to verify information you have found on the internet. The internet can be a great source of information. We have listed below the web addresses for the Internal Revenue Service, the Social Security Administration, the State of Illinois, the State of Wisconsin, and the State of Indiana. You can search these sites to locate all kinds of information, tax forms, and links to other helpful web sites.