Effective November 15, 2017, the Postal Service™ will limit the backdating of the “Start Date” or “Move Effective Date” to no more than 45 days past the submission date for Change of Address orders submitted using:
n usps.com, or
n PS Form 3575, Change of Address Order.
On usps.com, the Change of Address tool will not allow customers to select a date older than 45 days. For PS Form 3575, any orders with a “Start Date” over 45 days past the submission date will be rejected, and a letter will be mailed to the customer. The letter will ask the customer to do the following:
n Either file a new PS Form 3575 or use the Change of Address tool at usps.com, and
n Select a date within the 45-day limit.
If you have any questions or need more information, please contact our Change of Address Support Department at 866-315-7856.
— Address Management,
Addressing and Geospatial Technology, 10-12-17