Heir of an adulterine without a spouse and child in Islamic jurisprudence and penal law

The famous jurists of the Imami, based on the traditions that negate the lineage and inheritance between the child of adulterine and the natural parents, considered his heir in case he does not have a wife and children, the infallible Imam (a.s.) or his successor, and the legislator has also stated the same ruling in Article 553 of the Islamic Penal Code and declared  it exclusively for blood money, while it can be inferred from the authentic traditions of this chapter, the opposite of the popular saying. In addition to that, the ambiguity in the concept of adulterine and its verification method spreads from jurisprudence to the aforementioned law and makes the judge face the doubt of recognizing the adulterine child, and necessarily in the cases presented, the parents are still presented as the heirs of the adulterine child.Therefore, for the famous saying and the mentioned legal article, even on the assumption of no defect in the expression of the ruling, it is not expected to work much, unless the jurists and, accordingly, the legislator, resolve the ambiguity of the ruling and the issue with some limitations