Error 1101001ΒΆ

If you receive error 1101001, Must have exactly one CustomsInfo block, make sure your request includes the customs object and that the customs object includes the customsInfo object.

If you encounter this error for an APO/FPO shipment, you must include the customs object because APO/FPO shipments have the potential to go outside the U.S., even though they use domestic shipping services. The USPS sets this requirement.


Back to Error Codes.