State of Illinois
03/16/2026 | Press release | Distributed by Public on 03/16/2026 10:59
IDOR: USPS Postmark Changes Could Affect 2026 Tax Filings
USPS Postmark Changes Could Affect 2026 Tax Filings
News - Monday, March 16, 2026
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IDOR is alerting taxpayers that changes announced by the United States Postal Service (USPS) regarding postmarks could impact tax filings in 2026.
For the full Press Release, see Illinois Department of Revenue Alerts Taxpayers to Postal Service Changes that Could Impact Tax Filings.
State of Illinois published this content on March 16, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on March 16, 2026 at 16:59 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]