If you purchased it directly from Apple, then please contact either the Apple store you purchased from. If you bought it from the Apple on-line store you can call them too, you can find the phone number on the stores home web page.
Finally, if you bought it from a third party reseller, please contact them for assistance.
Just in case you are not aware, these forums are for end users helping other end users. You are NOT in communication with Apple on these forums, while Apple is our host Apple staff do not read or participate in the user to user forums.