MAIL TO: IDPH Vital Records, 925 E. Ridgely Avenue, Springfield, IL 62702-2737. EMPLOYER: (Please fill in the following information or submit a letter on company letterhead including the same information.Including date of employment). What You Need to Provide In order to request a copy of a birth certificate you must complete the form Application for Search of Birth Record Files. Mail this completed form to: Bureau of Vital Records, P.O. Box 641070,. Chicago, Illinois 60664-1070, with 1) A photocopy of your photo id (e.g. Please fill out the enclosed "Change of Address" form and return. This document provides detailed instructions for completing Form CL-1, which is necessary for minors under 16 to obtain a Certificate of Employment.