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Crucial USPS Changes: Safe Tips for Mailing Your Tax Return

Is Your Mailed Tax Return Actually On Time?

For generations, the IRS "Mailbox Rule" (IRC Section 7502) offered taxpayers peace of mind: timely mailing meant timely filing. Dropping your envelope in the post office box by the deadline guaranteed you were legally covered, regardless of when the IRS received it.

Organized tax documents on a desk

However, navigating tax deadlines just became more complex. Effective December 24, 2025, the United States Postal Service (USPS) introduced a major rule shift that directly jeopardizes this protection. Before sending your paper returns, contact our tax planning team to ensure your documents are securely tracked and filed without penalty.

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