If a child was not registered immediately after birth, his family could report his birth after he had grown up by submitting a Jobu todoke (notice of good health) in place of the birth registration under the pretext of being hesitant to register him because of his poor health in his childhood.
出生直後に届出を行わなかった場合は、子供が十分に成育した段階になってからはじめて「病弱であったので今まで遠慮していましたが随分丈夫になりましたので」という形で、出生届けである丈夫届を公儀に提出した。