You (or the purchaser or transferee) must complete Form CBS-1, Notice of Sale, Purchase, or Transfer of Business Assets. Complete a Schedule for Small Business (IL 444-0191) to document exempt income-producing business resources.A business in Illinois is subject to the Illinois corporation franchise tax, personal property replacement tax, and corporate income taxes. Personal Property Replacement Tax. Business Personal Property Tax is a tax assessed on tangible personal property businesses own. Tangible personal property tax exemptions for small businesses is a highly economical way of reducing taxpayer compliance burdens. Our handbook offers a great deal of information, but it should not be your only reference.