(Name of Parent) (Name of Representative) to claim a copy of Authenticated PSA Birth Certificate of my child . The NYC Health Department issues birth certificates for all people who are born in New York City (The Bronx, Brooklyn, Manhattan, Queens and Staten Island).Find below, an example of authorization letter for PSA to adapt to your personnal needs. You can also download this document in word format. Requesting a certified copy of my birth certificate from the PSA. Verifying and issuing documents.