Who Do I Contact To Register A New Business

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Y'all must register with the Illinois Section of Revenue if you conduct business in Illinois, or with Illinois customers. This includes sole proprietors (private or husband/married woman/ceremonious union), exempt organizations, or government agencies withholding for Illinois employees.

To annals your business organisation you must

electronically register through MyTax Illinois (approximately 1 to 2 days to process);
complete and mail Course REG-1, Illinois Concern Registration Awarding, to united states at the address on the form (Form REG-1 is available on our web site as a fill-in and savable form. Registration forms are too available past calling us at 1 800 356-6302.); or
visit i of our offices.

In addition, you lot may have to complete corresponding schedules, such as

Schedule REG-1-A, Liquor Information,
Schedule REG-1-C, Cigarette and Tobacco Products Information,
Schedule REG-1-D, Electricity Tax Cocky-Assessing Purchaser,
Schedule REG-1-G, Gas Use Tax Self-Assessing Purchaser,
Schedule REG-1-L, Illinois Business Site Location Information,
Schedule REG-1-MR, Illinois Cigarette Manufacturer'due south Representative,
Schedule REG-1-O, Owner and Officer Information,
Schedule REG-1-R, Responsible Party Information, and
Schedule REG-1-T, Telecommunication Tax Location Information.

Please allow 6 to viii weeks for processing if yous consummate and post Form REG-i to u.s.a..

If applicable, you volition receive your certificate of registration and taxpayer ID (i.e., your "taxation" number) in the postal service.

Register with us, using one of the above methods, before you make any purchases, sales, or when you hire an employee. Yous must display your Certificate of Registration in a prominent location in the place of business to which it applies.

If your concern is already registered and your data changes (east.g., address alter, ownership change, additional tax responsibilities, new location), update your registration information

electronically through MyTax Illinois,
by calling usa at 217-785-3707, or
at one of our offices.

If yous practise not,

your returns and payments may not be candy correctly;
we may transport you lot a tax bill or observe; and
you may not receive the forms or needed information well-nigh taxation police force changes.

Contact the states, at 217-785-3707, if you exercise non receive forms to file for your taxation responsibilities.

If you prefer, you may also contact our Central Registration Division by mail.

Key Registration Division
Illinois Department of Revenue
PO Box 19030
Springfield IL 62794-9030

Additionally, find answers to your often asked tax questions and more than with our Taxpayer Answer Eye. If yous are unable to notice your respond afterward searching the Taxpayer Answer Center, you may contact united states via email by using the "Questions, Comments, or Requests" link at the bottom of every Question & Answer folio.