Register before the first sale or the first hire. The state Retailers’ Occupation Tax is 6.25% on general merchandise and on food prepared for immediate consumption; cities and counties add their own, so check the combined rate for the address in the MyTax Illinois rate finder. Online registration takes one to two business days.
Checked Oct 17, 2026 against the agency’s page.
Step 2 of 6: Register for tax
1Set up the business
2Register for tax
3Approve the space
4Get the permits for your kind of business
5Alcohol permits
6Before the first hire
Issued by Illinois Department of Revenue, through MyTax Illinois.
Sources and dates
Illinois Department of Revenue business registration page. Checked against the agency’s page on the date shown; cities add their own fees.
Questions about opening here.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Yes. Register before the first sale or the first hire.
Illinois Department of Revenue, through MyTax Illinois.
Step 2 of 6, register for tax. The steps before it: set up the business.
Who needs an Illinois business registration for sales tax in Illinois?