I finally spoke to a customer service rep today. They researched the problem and discovered occasionally there is an error on UPS’s end where a bill is mistakenly sent. There is no fraud or system problem. Hope this helps you.

I have received a paper bill from UPS indicating three shipping charges to addresses that are not my clients and did not receive anything from my store. Someone used my account to ship to these addresses and billed to UPS using my account but not bil...