How do I submit the Tax Registration Application?

The form lists the Cook County Department of Revenue's address and revenuecompliance@cookcountyil.gov, but does not specify a submission method.

What information does the application request?

It asks for tax types, business and contact details, legal structure, business activity, start date, locations, owners and officers, and a signed certification.

Are attachments mentioned on the form?

Yes. It says to attach additional sheets if needed for owners, officers, or locations. It also refers to applicable state licenses and Schedule VDPR-1.

Cook County, IL · Cook County

No notary required

Tax Registration Application

Cook County businesses use this application to register for applicable county taxes and provide business, location, ownership, and certification information.

At a glance

Issued by: City of Cook County · Cook County, Cook County, Illinois
Notarization: Not required: file this form without a notary.
Official source: cookcountyil.gov
Blank form: Download the PDF
Catalogued: Oct 5, 2026
Machine-readable: JSON record · about the forms index

What this form is

The Cook County Department of Revenue Tax Registration Application is for businesses registering for applicable county taxes, including taxes on alcohol, amusement, gasoline, parking, vehicle sales, hotel stays, and other listed activities. It asks for business and contact details, legal structure, locations, owners and officers, and business start date. The signer certifies that the business is not registered and has not received a CCDOR audit or investigation notice.

Who needs it

A business seeking registration for one or more tax types listed on the application should complete it and provide the requested business and ownership information.

How to submit it

The form lists the Cook County Department of Revenue at 118 N. Clark St., Room 1160, Chicago, IL 60602, and [email protected]. It does not specify a submission method.

About notarization

No notary is required; the signer signs and dates the certification under penalties of perjury, and the form mentions Schedule VDPR-1 as an attachment.

How to submit this form

1
Download the Application
Download the Cook County Tax Registration Application PDF.
2
Complete the Business Details
Select applicable tax types and fill in the requested business, contact, legal structure, activity, and location information.
3
Gather Listed Attachments
Include applicable state license copies, Schedule VDPR-1 if attached, and additional sheets if needed.
4
Submit to the County
Use the Cook County Department of Revenue address or email listed on the form; the form does not specify a submission method.

Frequently asked questions

Do I need a notary for the Tax Registration Application?: No. The document has no notary block. The signer signs and dates the certification under penalties of perjury; it also mentions Schedule VDPR-1 as an attachment.
How do I submit the Tax Registration Application?: The form lists the Cook County Department of Revenue's address and [email protected], but does not specify a submission method.
What information does the application request?: It asks for tax types, business and contact details, legal structure, business activity, start date, locations, owners and officers, and a signed certification.
Are attachments mentioned on the form?: Yes. It says to attach additional sheets if needed for owners, officers, or locations. It also refers to applicable state licenses and Schedule VDPR-1.

Need something notarized?

This Tax Registration Application doesn’t need a notary, but Illinois residents can notarize other documents online with a commissioned online notary.