To help you make sure you don’t miss any important 2023 deadlines, we’ve provided this summary of when various tax-related forms, payments and other actions are due. Please review the calendar and let us know if you have any questions about the deadlines or would like assistance in meeting them.
© 2023 posted 1/11/23
Our annual Rates & Limits Release has been finalized and posted.
UPDATED INFORMATION FROM ILLINOIS DEPARTMENT OF REVENUE TAX FORM SUBMISSIONS
SUMMARY: This Regulatory Update provides updated information to our earlier message regarding the Illinois Department of Revenue and delivery to IDOR’s address. Regulatory Update #2 supersedes our message from this morning. UPDATE: Discussions with the United States Post Office have confirmed that items deposited in the mail ... Read More ›