Making up a new category of punishments under the title of "Preventive Punishments" has been the subject of a long debate since 1368 when, during the first decade of the Islamic Republic of Iran the issue of "discretionary punishment" was at stake. This was because the discretionary nature of such punishments on the hand and absence of the concept of Limitation under Shi'a jurisprudence one other hand has led to a conflict between the perpetual nature of these punishments once introduced as law and the concept of limitation. The invention of this title for punishments of certain crimes, alongside the concept of "discretionary punishments" was seen as an escape route from this above conflict and "jurisprudential" deadlock. In this short paper,
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