A birth certificate is an official recording of a birth that occurred in the state of Georgia. It is used for a number of reasons.A Birth Certificate Amendment must be applied for to correct errors after the registrant's first birthday. Find information about amending (or "changing") birth certificates in Emanuel County, including steps for making corrections or changes to personal records. That I know of my own personal knowledge that. An affidavit of birth is a document submitted to a court, state, or other institution. Affidavit of Birth - In the event you can't locate your birth certificate, this Affidavit can be used to verify some of the facts surrounding your birth.