The registered agent is the “mailbox” for the corporation.  He or she is the person or entity designated by the corporation to receive any lawsuit or other official communication on its behalf.  The registered agent may or may not be an owner, shareholder or officer of the corporation.  Many corporations use their attorney for this service.  The registered agent’s address must be a street address in Georgia, and the agent must be located at that address.  O.C.G.A. 14-2-501 (profit) or 14-3-501 (nonprofit).  A post office box or “mail drop” may not be used as the registered agent address.