Complete Form PTAX-203-B, Illinois Real Estate Transfer Declaration Supplemental Form B. 11 Full actual consideration. Who must file Form ST-1?You must file Form ST-1, Sales and Use Tax and E911 Surcharge Return, if you are making retail sales, including leases or. Tangible personal property tax exemptions for small businesses is a highly economical way of reducing taxpayer compliance burdens. This document is sometimes referred to as the charter. All owners of taxable personal property are to complete and file a personal property declaration schedule no later than April 15 each year. This guide answers frequently asked questions about property taxes, such as how they are calculated, differences between states, and more. Real estate is reassessed every two years (in odd numbered years) and personal property is reassessed annually. (Vehicle repair is a taxable service.) An Iowa resident sends tangible personal property out of state to be repaired. The repair service is not taxable in Iowa.