Find out how to order a copy of a birth or death certificate. Mail Application to: MCOVR (Maricopa County Office of Vital Registration).PO Box 2111 – Phoenix AZ – 85001. Clear photocopy of the front and back of your valid, signed government photo ID OR have your signature notarized. Registration Requirements. Submit these four items: We must receive an original notarized or certified recorded document. A photocopy is unacceptable. Order a Maricopa County (AZ) birth certificate online and avoid waiting in line at the vital records office. Complete an easy form to get a certified copy. The affidavit should include the child's name, date of birth, current address, and name, telephone, and address of parent or legal guardian.