Can Corporations have a mail forwarding services? Do they need to fill in form 1583?September 6, 2019 0 A Can Corporations have a mail forwarding services? Do they need to fill in form 1583? Corporations can, of course, have an address with us. In this case, the USPS form is required and must be signed by a representative of the company. Two forms of ID of this representative must accompany the notarized form.