In the following cases, a paternity test is required before registration:

1, no birth certificate. For various reasons, the child was not born in a hospital with obstetrics and gynecology qualifications, or was not born in a hospital, so there is no standardized birth certificate, and paternity test is needed when registering. Or there is a birth certificate, but the parents' names on the birth certificate are inconsistent with the names on the ID card and household registration book, and paternity test is needed.

2. Because the child was abducted and lost, it was later recovered through various channels. The household registration needs to be with the biological parents and needs a paternity test report to prove it.

3, unmarried birth, the existing legal documents can not prove the child's biological parent relationship. Or a single-parent family, the child's household registration needs to be transferred from the father to the mother, or from the mother to the father, and paternity test is needed.

4. Abandoned children go home. If the child is adopted and needs to be adopted again, or because of evading family planning, it is necessary to transfer the child's household registration to the biological parents' name in the name of others, and paternity test is needed.

5, special provisions of the department, because some departments in the recruitment, recruitment, for fear of other industries into special industries, in the recruitment and recruitment, parents and children need to prove parent-child relationship in this industry. For example, the recruitment of Zhengzhou railway system requires proof of paternity test.

6. When an adopted son goes to the household, it is necessary to prove that the child and adoptive parents are not biological.