If you receive this error, it is because you included records with an invalid ZIP Code in your presort.Thank you for your interest in the USPS Tracking Service – IMpb. We have evaluated your Electronic Files.
Unfortunately, your Electronic Files did not meet the required specifications to participate in the USPS Tracking Program – IMpb.
Please review the Error listed below and resubmit a new IMpb Electronic File:
INVALID PIC IN DETAIL RECORD
Before presorting parcels, pull down the Select menu to Show > Invalid ZIP Codes. Next, pull down the Select menu to Show > Background.
Presort your list and the invalid ZIP Code records (records without a valid U.S. ZIP Code) will be omitted from the presort. You cannot pass the electronic file evaluation from the USPS NCSC if you have records without a valid 5 digit ZIP Code in the mailing.