We pick up a lof of packages from US and the bring them to Canada (Markham, Ontario). Sometimes we have to return them but the seller always provides a US return label. The reason being that the item was originally shipped to a US address. We are not able to use such a return labels from Canada. The packages have to be dropped of at a USPS location (or UPS, Fedex depending on the label) in the US. Is there any way that package can be returend from Canada? i.e. is there a third party company that will accept the package in Canada and drop it of at a USPS location in the US ? Sometimes the return cost from Canada is so high and it may be cheaper to pay a third party company for such a service.