Form Reg-1 - Illinois Business Registration Application
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Illinois Department of Revenue
REG-1
Illinois Business Registration Application
Station # 925
Step 1: Read this information first
Do not check here
You may electronically file this form at
until you have read
To update previously submitted information, call 217 785-3707.
all of Step 4.
Step 2: Provide your identification numbers and the reason for your application
Check the best description of why you are completing this application.
First-time registration of your business or organization. Tell us your federal employer identification number (FEIN). If you
have applied for but not yet received your FEIN, write “applied for.” __ __ __ __ __ __ __ __ __
Starting date of this business in Illinois:
________________
Month
Day
Year
Re-applying of a previously registered business. Tell us the Illinois Business Tax number (IBT no.) and, if applicable, the
license number (Lic. no.) assigned to this business.
IBT no.:__ __ __ __ __ __ __ __
Lic. no.: _______________
New starting date of this business in Illinois:
________________
Month
Day
Year
Organizational change requiring a new Federal Employer Identification number (FEIN).
What is the effective date of this change?
________________
Month
Day
Year
❍
❍
Is this change the result of a merger or consolidation?
yes
no
Tell us the FEIN and Illinois Business Tax number (IBT no.) previously assigned when you registered this business.
FEIN: __ __ __ __ __ __ __ __ __
IBT no.:__ __ __ __ __ __ __ __
Tell us the new FEIN assigned to your business as a result of this change. If you have applied for and not yet received your
FEIN, write “applied for.” FEIN: __ __-__ __ __ __ __ __ __
Add a tax requirement or location for a currently registered business. Tell us the Illinois Business Tax number (IBT no.)
and federal employer identification number (FEIN) currently assigned to this business.
IBT no.:__ __ __ __ __ __ __ __
FEIN: __ __ __ __ __ __ __ __ __
What is the effective date of this update or addition? ________________
Month
Day
Year
Step 3: Identify your business or organization
1
Business’ or organization’s legal name:
______________________________________________________________________________
Corporate, organization, partnership, or owner’s (if sole proprietor) name
2
Doing business as (DBA) or trade name (if different from above):__________________________________________________________
3
Address of your corporate/home office or your principal Illinois business address. The address where you can be contacted.
__________________________________________________________________________________________________
Street address
Apartment or suite number
__________________________________________________________________________________________________
City
State
ZIP
____________________
_____
____________________
___________________________
Daytime phone (include area code)
Extension
Fax (include area code)
E-mail address
❍
❍
4
Did you buy this business from someone?
yes
no
If yes, write the previous business’ name and IBT no.
____________________________________________________________________________
__ __ __ ____ __ __ __
Previous business’ name
Previous business’ IBT#
5
Check one to indicate your type of business ownership (using the federal income tax classification).
❍
❍
Sole proprietorship. Is this jointly owned by both husband and wife?
yes
no
Corporation (other than an exempt organization)
Tell us the Illinois Corporate File (charter) number issued by the Illinois Secretary of State:_______________________________
❍
❍
Is this a small business corporation (subchapter S)?
yes
no
If yes, tell us how many shareholders. __________
Partnership. Write the number of general partners.________________
Trust or estate
Exempt organization
Governmental agency
Page 1 of 4
(REG-1 N-1/00)
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