Skip to main content
 
 
 
 
Taxpayer Answer Center

Quick Links

Information For

About IDOR

Tax Forms

Business Registration Forms

Attention Firefox Users

Firefox uses a built-in viewer to present PDF documents by default.

This viewer does not allow users to fill in form fields. To allow fill-in forms, follow these instructions to re-enable the Adobe Acrobat Reader.

Attention Chrome Users

Chrome uses a built-in viewer to present PDF documents by default.

Some advanced features used in our PDF forms may not work with this built-in viewer. If you experience difficulty with a fill-in form, you can download the form for viewing with the Adobe Acrobat Reader by clicking the save button that appears in the lower right when you hover your mouse in that area.

Attention Firefox Users

Beginning with version 19.0, Firefox now uses a built in viewer to present PDF documents by default.

This viewer does not allow users to fill in form fields. To allow fill-in forms, follow these instructions to re-enable the Adobe Acrobat Reader.

Name Description
  Register your Business On-line
REG-1   Illinois Business Registration Application (R-01/15)
Sch. REG-1-A   Liquor Information (N-04/10)
Sch. REG-1-C   Cigarette and Tobacco Products Information (R-10/13)
Sch. REG-1-D   Electricity Tax Self-Assessing Purchaser (R-07/13)
Sch. REG-1-G   Gas Use Tax Self-Assessing Purchaser (N-04/10)
Sch. REG-1-L   Illinois Business Site Location Information (R-04/10)
Sch. REG-1-MC   Medical Cannabis Cultivation Center and Dispensing Organization Information (N-01/15)
Sch. REG-1-MR   Illinois Cigarette Manufacturer’s Representative Application (R-07/12)
Sch. REG-1-O   Owner and Officer Information (R-01/14)
Sch. REG-1-R   Responsible Party Information (R-01/14)
Sch. REG-1-T   Telecommunications Tax Location Information (N-04/10)
REG-3-C   Business Information Update (R-10/12)
REG-3-D   Request for Signature (R-06/04)
REG-4-A Instr. Financial Responsibility Bond (R-04/13)
REG-4-B   Financial Responsibility Bond Liquor Gallonage Tax (R-12/11)
REG-4-C   Financial Institution Irrevocable Letter of Credit Bond Liquor Gallonage Tax (R-12/11)
REG-4-D Instr. Financial Institution Irrevocable Letter of Credit Bond (R-04/13)
REG-8-A Instr. Motor Fuel and Other Fuel Information (R-03/13)
RR-80   Agency Agreement (R-01/12)
CBS-1   Notice of Sale, Purchase, or Transfer of Business Assets (R-04/09)