[header] How to forward mail [title] Consider the ownership and responsibility of the package. [step] In the majority of cases, forwarding a single piece of mail is a very simple procedure. Postal services are used to rerouting mail as a way to accommodate changes of address and other changes of location. 
If the package belongs to someone else, it is considered courteous to ship it along to the intended recipient. If the package is addressed to you and you still wish to forward it however, you may be required to pay for a new set of stamps before it's valid for shipment.