(b) If there was no physician or nurse-midwife, in attendance, then the certificate of birth shall be signed by the father or mother of the child, householder, owner of the premises, director or other person in charge of the public or private institution where the birth occurred, or by any other competent person whose duty it is to notify the local registrar of such birth. 4. The registrar shall enter the exact date of filing of the certificate of birth in his office attested by his official signature and registered number of birth.