For various reasons, sometimes packages are undeliverable. Some reasons include, 1) Incorrect Address, 2) Recipient unresponsive, 3) Recipient moved, 4) Recipient denied package, etc. In these cases, the packages are returned to our warehouse and we are billed the return postage. Optamark will not be responsible for this return postage and it will be billed directly to the client. Upon receiving the items, they will be made available in inventory to ship as-is and will require additional postage costs to re-ship.