Chicago Business Direct is the City's new and improved platform that combines all of your city tax and license needs in one place. We assist property owners who wish to submit information for accurate valuations, apply for a tax incentive, and more.This tax is imposed on the retail purchase of tangible personal property titled or registered with the State of Illinois to an address located in Cook County. This personal property replacement tax rate is based on the net income of a small business. The use tax applies to nontitled property purchased at retail for consumption and not for resale. The Illinois Constitution currently only authorizes the taxation of "real property" and forbids the taxation of "personal property. To submit this form, complete all fields accurately and ensure that you have all supporting documentation available. We are able to file the associated tax return only if you sign up for Premium Returns Services. Illinois, tax "personal property" like cars, boats and business equipment. The 1970 Illinois constitution banned personal property taxes.