Streamlining the principle prohibiting dual punishment in the islamic republic of Iran's penal code

The principle prohibiting dual punishment is one of the most accepted and stable principles in most penal systems of the world. The laws governing calculation of punishments is one of the results of that principle, according to which a foreign national punished in the country where the crime was committed, will not face any criminal charges in his/her own country for the same crime. This article intends to review the position of the law governing in Iran, in relation to aforementioned principle, in order to prove whether or not it honors and accepts the criminal sentences of other countries.