Dropping your return in a mailbox isn't enough in 2026. Learn why a missing postmark could trigger "failure to file" ...

Filing your taxes by mail? The postmark is everything. Learn about new USPS collection time rules and other tips to ensure ...

Before you mail any important documents, read this: Major changes are being made to the U.S. Postal Service (USPS) postmark process in 2026, and they could result in late fees and penalties for people ...

Watch out. You could get hit with penalties and interest if you don’t get your paper 1040 postmarked on time. Here’s what ...

If you plan to mail your income taxes right on deadline, clear your calendar. This year, last-minute filers will have to get ...

The Postal Service finalized rules clarifying that a postmark date may not match when mail was first accepted, potentially affecting tax and voting deadlines. The changes add a new section to the ...

Changes in U.S. Postal Service rules may cause mailed tax returns to be considered late, despite timely mailing.

The U.S. Postal Service is making new changes in 2026, including adjustments to the postmark process, which could result in late fees and penalties for anyone mailing time-sensitive documents such as ...

Wondering if you can mail your tax return on April 15? What the IRS says about postmarks and penalties.

A recent rule change issued by the United States Postal Service (USPS) may have significant implications for plan administrators. The rule alters how the USPS determines the official postmark date, ...