In accordance with URPO Ruling #5, effective 1/1/2016 tax collectors and taxpayers must file their tax returns electronically.
To file an amended return for a previous year, please call our Business Contact Center at 312-747-4747 for assistance.
Closing or selling your business
If your business is closing, you must complete the following:
• A final tax return for each tax for which the business is registered, due 45 days from the date the business ceases operations. File tax returns on Chicago Business Direct.
• An Affidavit for Final Tax Period that includes all taxes for which the business is registered.
If you are selling your business, in addition to the requirements above, you must file a Bulk Sales Notice at least 45 days prior to the date of sale or transfer.
For questions regarding these forms please call our Business Contact Center at 312-747-4747.