Adoptive parents can modify this name to the one they choose for the adoption birth certificate, which will designate both partners as parents. "The child's state of birth is the one differentiating characteristic that would suggest this is not the original birth certificate," says Chuck Johnson, president of the National Council for Adoption. All legal links between the birth parents and the kid are severed in the adoption relationship. Although the majority of cases entail a biological parent relinquishing their rights and consenting to the adoption, there are few instances when permission is not necessary.