New York Letter to Amend Birth Certificate is a document that can be used to correct errors on a person's birth certificate. This document can be used to change the name, date of birth, sex, place of birth, or other information on the birth certificate. It can also be used to add a legal parent to the certificate. There are two types of New York Letter to Amend Birth Certificate: 1) Correction Letter for Birth Certificate and 2) Parentage Letter for Birth Certificate. A Correction Letter for Birth Certificate is used when the information on the birth certificate needs to be changed due to an error. This letter must be completed by the person who was born and include a statement that explains why the correction is being requested. A Parentage Letter for Birth Certificate is used to add a legal parent to the birth certificate. This letter must be completed by both the person who was born and the legal parent and must include a statement explaining why the parent is being added to the birth certificate. Both types of New York Letter to Amend Birth Certificate must be signed by the person who was born and notarized by a notary public.