If you attempt to perform Proof of Delivery tracking for a carrier that does not support it, you will receive a processing error in the Proof of Delivery section.
The following carriers do not support Proof of Delivery :
DHL, OnTrac, Spee-Dee, UPS, User-Defined Carriers, and USPS.
FedEx Freight, Freightquote, Freightview, Manual Processing (manually entering the BOL), SMC3, UPS Freight and YRC