Senate Sponsors: PETERSON. Short description: INC TX-SALES FACTOR EQUATION Synopsis of Bill as introduced: Amends the Illinois Income Tax Act concerning the apportionment of business income for persons other than residents. Deletes the component of the sales factor providing that certain property shipped from this State to the U.S. government or to a person not taxable in the state of the purchaser is a sale of tangible personal property in this State. Effective immediately. Last action on Bill: SESSION SINE DIE Last action date: 01-01-09 Location: Senate Amendments to Bill: AMENDMENTS ADOPTED: HOUSE - 0 SENATE - 0 END OF INQUIRY Full Text Bill Status