Keep the following in mind when a shipment is not included on a USPS SCAN form.
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To appear on a SCAN form, shipments must have a tracking number associated with them. Shipments with certain package types, like Large Envelope or Flat, do not generate tracking numbers and will thus not appear on a SCAN form.
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All shipments included in a USPS SCAN form or End of Day form must have a ship date that is the same as the form's creation date.
For example, a shipment with a ship date of 03/03/2025 can only be included on a SCAN form created on 03/03/2025.
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The shipment must not have been included on a previously created SCAN form.
Important Information Regarding USPS SCAN Forms
Once a shipping label has been added to a USPS SCAN Form, it cannot be canceled or refunded, even if the package has not yet been accepted by the post office. Please ensure all shipment details are correct before generating your SCAN form.
Help to ensure that all shipments for a given day are included on the USPS SCAN form by setting an automated cutoff time in ShipStation. Setting a cutoff time tells ShipStation to automatically set the ship date to the next business day after a certain time (the shipping cutoff time) each day.
For example, you create the USPS SCAN form at 4:00 PM each day. All shipments created prior to 4:00 PM should be included on the current day's SCAN form. Any shipments created after 4:00 pm should be included on the next day's SCAN form. Setting the shipping cutoff time to 4:00 PM ensures that all shipments created after 4:00 PM will automatically be set to the next day's ship date.