illinois st1
ST-1 Sales and Use Tax and E911 Surcharge Return For
Did you know you may be able to file this form online? Filing online is quick and easy! Click here to go to MyTax Illinois to file your return online.
Learn more
Welcome to the Illinois Department of Revenue
For more information, visit our resource page at tax.illinois.gov/rebates. ST-1 - Instructions. Form REG-1 - Illinois Business Registration Application
Learn more
ST-587 Equipment Exemption Certificate - Panels Plus Inc.
Illinois Department of Revenue. ST-587 Equipment Exemption Certificate. Step 1: Identify the seller. The seller must keep this certificate.
Learn more