Please note: We DO NOT offer free tax advice for TurboTax users or self-preparers.

Mailing Your Tax Return: Navigating USPS Rule Changes

Navigating the New USPS Mailbox Rule

For years, St. Charles taxpayers relied on the "Mailbox Rule" (IRC Section 7502) when submitting tax forms. If you mailed your return by the deadline, the IRS legally considered it on time. However, a crucial December 24, 2025, USPS rule change places your "timely filing" status in jeopardy.

Taxpayer safely filing forms

With 40 years of financial expertise, Steve Shapiro, EA CTRC is here to help Missouri families avoid costly tax resolution headaches. Contact our office today to ensure your documents meet these strict new filing standards.

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