Video Tips: Safe Mailing Tips when Mailing Your Tax Return

For decades, taxpayers have relied on a simple principle known as the "Mailbox Rule." Formally enshrined in Internal Revenue Code Section 7502, this rule states that "timely mailing is timely filing"—meaning if you drop your return in the mail by the deadline, it is legally considered filed on time, even if the IRS receives it days or weeks later. However, as of December 24, 2025, the United States Postal Service (USPS) implemented a significant rule change that could put your "timely filing" status at risk.

Share this article...

Want our best tax and accounting tips and insights delivered to your inbox?

Sign up for our newsletter.

I confirm this is a service inquiry and not an advertising message or solicitation. By clicking “Submit”, I acknowledge and agree to the creation of an account and to the and .

Our Office

By Appointment Only

1020 William Blount Drive
Maryville, Tennessee 37801
FAQs Have questions about Lawson Bookkeeping & Tax and our services?
Leave us a message or ask our Smart Assistant a question to get more info.
Please fill out the form and our team will get back to you shortly The form was sent successfully