Objective: Considering the article 220 and its reference to constitutional law that have been enacted for solving the existing shortcoming in legal system comforts with scientific and practical impediments since in one hand, manner of reference to valid introduced authorities is ambiguous, on the other hand there is no possibility to use some of these authorities for jurists. Methodology: In addition, many of jurists have not sufficient knowledge to emerged issues. For this reason, if a decree will be found for these issues, many disagreements are established among religious specialists. Results: So, the disagreements damage trust foundation of legal system in the society. Conclusion: The article examines Hudud considering valid Islamic authorities in view of Islamic penal code with emphasize on legal scholars‟ opinions and article 220.
