Please use this worksheet to complete the legal and confidential statistical items collected on the birth certificate. An affidavit of birth is a document submitted to a court, state, or other institution.The birth certificate is a permanent document that will be used throughout your child's life to prove his or her age, citizenship, identity and parentage. Parents would be requested to sign the Affidavit of Correction of Birth. There is a fee to amend this record (see clerk fees). Below are the Requirements that the RMV identified: • Must be an original certified copy of the record. – Photocopies will NOT be accepted. This legal document provides the facts of birth and makes a birth a permanent record in the State of Massachusetts'.