Call the IRS's Business & Specialty Tax Line at 800-829-4933. As of July 2012, the hours of operation are 7:00 a.m. - 7:00 p.m., Monday through Friday.
Request a copy of Form 2553 from the IRS service representative. The service representative will ask you for identifying information, including the corporation's name and address, and your name and position within the corporation, Employee Identification Number (EIN), contact number and fax number. You must be a person authorized to transact business on behalf of the corporation, such as a corporate officer, to receive a copy of Form 2553. The IRS can either fax or mail you a copy of the corporation's Form 2553.
Promptly file your new copy of Form 2553 with the other corporate records for safekeeping.