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 Offices

Our expertise is widespread and we have multiple office locations to make it convenient for you to get help. You can find us at:

Palmdale

41250 12th Street West Suite F
Palmdale, California 93551

Valencia

27433 Tourney Rd. Suite 120
Valencia, CA 91355

Let us take your tax and accounting needs off your hands today.