Do All Businesses Register With Department Of Revenue

person on a computer

You must annals with the Illinois Department of Acquirement if you conduct business concern in Illinois, or with Illinois customers. This includes sole proprietors (individual or married man/wife/civil marriage), exempt organizations, or government agencies withholding for Illinois employees.

To register your business you must

electronically register through MyTax Illinois (approximately one to two days to process);
consummate and postal service Class REG-1, Illinois Concern Registration Application, to us at the address on the form (Form REG-1 is available on our spider web site equally a fill-in and savable form. Registration forms are as well available past calling united states of america at one 800 356-6302.); or
visit one of our offices.

In add-on, you may take to complete respective schedules, such as

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

Please let six to 8 weeks for processing if you complete and mail Course REG-1 to united states.

If applicative, y'all will receive your document of registration and taxpayer ID (i.e., your "taxation" number) in the mail.

Register with united states, using one of the to a higher place methods, before you lot make any purchases, sales, or when you hire an employee. You lot must display your Certificate of Registration in a prominent location in the identify of concern to which it applies.

If your concern is already registered and your information changes (e.g., address modify, ownership alter, additional revenue enhancement responsibilities, new location), update your registration data

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

If yous do not,

your returns and payments may not be processed correctly;
we may transport you a taxation beak or detect; and
you may non receive the forms or needed information about tax law changes.

If yous prefer, you may too contact our Central Registration Division past mail service.

Central Registration Sectionalisation
Illinois Department of Revenue
PO Box 19030
Springfield IL 62794-9030

Additionally, find answers to your frequently asked tax questions and more with our Taxpayer Answer Center. If you are unable to find your respond later searching the Taxpayer Answer Eye, you may contact us via electronic mail by using the "Questions, Comments, or Requests" link at the bottom of every Question & Respond page.