USPS Update for Mailed Donations
30 Dec 2025Important Update about Year-End Giving
As we approach the end of the year, we want to share an important update that may affect donors who make and mail year-end donations.
A USPS change was made effective on 12/24/25 regarding how and when mail is postmarked. In many cases, postmarks are now applied at regional processing facilities rather than at your local post office. As a result, the postmark date may be later than the day you actually mailed your gift.
Because the IRS generally recognizes the USPS postmark date as the official gift date, this could affect whether a mailed donation is recorded as a 2025 contribution.
How to Ensure your Mailed Check is Credited in 2025
If you plan to mail a check, the USPS recommends one of the following options to confirm timely mailing:
- Visit the post office counter and request a hand-stamped postmark showing the mailing date
- Purchase postage at the counter or a self-service machine, which prints the date on the label
- Use Certified or Registered Mail, which provides a dated receipt as proof of mailing
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