Kamil Yasseen, Mustafa Keywords: Private international law | Foreign law | Law enforcement | Mots clefs: Droit international privé | Droit étranger | Application du droit | ABSTRACT Mustafa Kamil Yasseen explains in the introduction to his course that the problems of the application of foreign law are not solved everywhere in the same way, which is, moreover, often in the same state, the solutions of the jurisprudence on this issue lack coherence and do not always seem to be dominated by a fundamental guiding idea. Perhaps…