Since the offer is per household and of course we use multiple addresses for the rebate; does Staples rebate form you fill out online accept PO Box addresses to send the rebate card to? How strict is the address form? Can I also use my work address? Do you use multiple names too or do you usually use your name but several addresses. I admit this is my first time to fill out their online rebate forms. Does their system match cc numbers to addresses?