If you find an error on your child's births certificate you can find out how to make corrections to it on this page. Correct (Amend) a Birth Certificate for an ADULT.You may use the forms on this page if the following factors apply to your situation. AFFIDAVIT TO CORRECT OR AMEND A BIRTH CERTIFICATE. Instructions. 1. If you need an amendment or correction to a birth that occurred prior to 1997, you must contact the State Office of Vital Records in Phoenix. To change your birth certificate, follow up with your relevant birth records office. Include a certified copy of the child's birth certificate or other reliable proof of the child's identity and age as mentioned above. §25-812. To establish paternity, under A.R.S. §25-812, the parent will submit forms the clerk of the court. Let Us Help You Complete Your Application! All the legal information and forms you need to change your adult name in Maricopa County, Arizona.