In this paper we have achieved the examination of the provisions of the Romanian law of one of the most important forms of international judicial cooperation in criminal matters in the European Union, respectively, transferring persons sentenced to a criminal law sentence involving deprivation of liberty in another Member State, in order to enforce the sanction in Romania. The novelty refers to examining the provisions of the Romanian law, formulating critical opinions about some contradictory provisions of the law and de lege ferenda proposals. The paper continues the examination of forms of international judicial cooperation in criminal matters, which materialized in the publication of a master course, a treaty, and several other studies and articles. At the same time, given the depth of the examination, the work can be useful to academics or master students studying the subject in question, and to practitioners in this field.