Important Notice: Changes to Mailing Tax Payments—What You Need to Know

Tax season deadlines are almost here, and we want to ensure you avoid unnecessary penalties and interest on your federal and state tax returns—including extension payments. Recent changes in the United States Postal Service (USPS) have impacted how timely your payments are considered, making it more important than ever to plan ahead.


Key Update: Mailing Date is no longer a guarantee

In the past, a payment mailed by the tax filing deadline was considered on time—even if it arrived a few days later. Due to recent changes in USPS processing and delivery times, this is no longer a reliable safeguard. The IRS and many state tax agencies may assess penalties and interest if your payment is not postmarked by the USPS by the deadline, regardless of the mailing date.


Our Strong Recommendation: Pay Online

For your peace of mind and timely processing, we recommend making your tax payments online. This is the fastest, safest, and most reliable method for:


If You Must Mail a Check

If you still prefer to mail your tax payment, please mail your check earlier than the official deadline and get it postmarked at the counter at the USPS to ensure timely delivery:

Tax Authority*Recommended Mailing Deadline
Federal (IRS)ASAP
IowaASAP

Mailing early gives your payment the best chance of arriving on time and avoids the risk of late fees. These are recommended mailing deadlines but the ultimate decision is yours.


Quick Tips for Mailing Payments

  • Use certified mail with a return receipt for tracking.
  • Double-check the mailing address for each tax agency.
  • Include your completed voucher and your tax ID on the memo line.

Questions or Need Help?

If you are unsure about your payment options or need assistance, please contact our office. We’re here to ensure your tax season goes smoothly and stress-free!


Don’t let new mailing delays cost you—plan ahead and consider paying online.
Thank you for trusting us with your tax needs!


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