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Business Registration Forms

For information and forms related to registering an unemployment insurance tax account, visit the Illinois Department of Employment Security’s website at www.ides.illinois.gov

Name Description
REG-1   Illinois Business Registration Application
Sch. REG-1-A   Liquor Information
Sch. REG-1-C   Cigarette and Tobacco Products Information
Sch. REG-1-D   Electricity Tax Self-Assessing Purchaser
Sch. REG-1-G   Gas Use Tax Self-Assessing Purchaser
Sch. REG-1-L   Illinois Business Site Location Information
Sch. REG-1-MC   Medical Cannabis Cultivation Center and Dispensing Organization Information
Sch. REG-1-MR   Illinois Cigarette Manufacturer’s Representative Application
Sch. REG-1-O   Owner and Officer Information
Sch. REG-1-R   Responsible Party Information
Sch. REG-1-T   Telecommunications Tax Location Information
Sch. REG-UI-1   Report to Determine Liability Under the Unemployment Insurance Act (for additional information or forms related to unemployment insurance tax, visit www.ides.illinois.gov)
REG-3-C   Business Information Update
REG-3-D   Request for Signature
REG-4-A Instr. Financial Responsibility Bond
REG-4-B   Financial Responsibility Bond Liquor Gallonage Tax
REG-4-C   Financial Institution Irrevocable Letter of Credit Bond Liquor Gallonage Tax
REG-4-D Instr. Financial Institution Irrevocable Letter of Credit Bond
REG-8-A Instr. Application for Motor Fuel Tax License
REG-8-O   Owner and Officer Information (Motor Fuel)
REG-8-R   Responsible Party Information (Motor Fuel)
RR-80   Agency Agreement
CBS-1  Instr. Notice of Sale, Purchase, or Transfer of Business Assets
STAX-1   Application for Sales Tax Exemption
​STAX-300-C
​​Sales Tax Exemption Business Information Update