HomeResidence and lifeBirth, marriage and deathBirthBirthBirth registrationHave you had a baby? Report this to the municipality within three working days. Choosing a last name for your childParents choose the last name their first child. You provide this surname to the municipality. Acknowledging a child and choosing a surnameAre you not the parent of a child? Then you can acknowledge a child. You also choose the surname. Changing gender on birth certificateYou can change the gender on your birth certificate. Do this at the municipality of birth. Applying for parental authority and guardianshipParental authority means that you are allowed to decide about a child. Usually parents get this automatically. stillbornAs a father or mother, you can deny parentage. Usually, you have to go to court for this. Declaring a stillborn childWas your child stillborn? You report it to the municipality. This can help with the processing. Establishment of parenthoodIs it unclear who the biological parent is? To determine the parent, you go to court.