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Illinois Department of Revenue
REG-3-C Business Information Update
Step 1: Read this information first
Complete the following information to update your registration information. To change or update your responsible party, complete
Schedule REG-1-R, Responsible Party Information. Mail your completed information to Illinois Department of Revenue, P.O. Box 19030,
Springfield, Illinois, 62794-9030. You can also fax your information to 217 785-6013 or 217 557-4398.
Step 2: Identify your current business
1 __________________________________________________________
4
FEIN or SSN: _____________________
Business name
2 __________________________________________________________
5
(_____)_____ - __________
Number and street
City
State
ZIP
Telephone
3 _________________________________________________________
Email address
Step 3: Discontinuation or sale of entire business -
If you sold your business, Form CBS-1, Notice of Sale, Purchase, or
Transfer of Business Assets, may be required. Visit our website at tax.illinois.gov for more information.
6 Date this became effective: ____/____/________
Step 4: Change business name -
If your FEIN has changed due to a name change, you must complete a new Form REG-1, Illinois
Business Registration Application. For a copy or to register on-line, visit our website at tax.illinois.gov.
7 Previous legal business name: _________________________ New legal business name: ___________________________
8 Previous DBA name: _______________________________
New DBA name: ___________________________________
Step 5: Change current address
Legal address
a
- Date this became effective: ____/____/________
9 __________________________________________________________
12
(_____)_____ - __________
Number and street
City
State
ZIP
Telephone
10 __________________________________________________________
13
_________________________________
County
Township
11 Identify the taxes affected by this change (e.g., sales, hotel, etc.). ____________________________
Mailing address
b
- Date this became effective: ____/____/________
14 __________________________________________________________
17
(_____)_____ - __________
Number and street
City
State
ZIP
Telephone
15 __________________________________________________________
In care of name
16 Identify the taxes affected by this change (e.g., sales, hotel, etc.). ____________________________
Step 6: Add a location
- Date this became effective: ____/____/________
Complete Schedule REG-1-L, Illinois Business Site
Location Information, to add more than one location. For a copy or to add a location on-line, visit our website at tax.illinois.gov.
18 __________________________________________________________
21
(_____)_____ - __________
Number and street
City
State
ZIP
Telephone
19 Check the best physical description of this location:
permanent
one that will change (e.g., fairs, flea market)
20 Is the address outside the city limits?
yes
no
Step 7: Close a location
- Date this location closed: ____/____/________
If closing more than one location, attach a separate sheet following the same format as below including the date closed.
22 __________________________________________________________
Number and street
City
State
ZIP
23 __________________________________________________________
24
_________________________________
County
Township
REG-3-C front (R-10/12)