To get your address change processed faster, log in to Online Services and select Business change of address. To change your physical or mailing address, complete Form DTF96, Report of Address Change for Business Tax Accounts.Select Payment> Payment Status, enter your PIN and from the Mailing Information section, select "To update your mailing address, click here. Change of Name or Address. Apply online to change the taxpayer name and mailing address on your tax bill. Basically, you gotta write a letter (notarized) and send it to the attention of shareholder services at the address on the website. Change your name and mailing address. Pay Online for Free. Our office can send you an application to apply to register to vote at your new address. Signature. IN THE CIRCUIT COURT OF COOK COUNTY, ILLINOIS.