PREVENTION OF COLLISIONS DURING THE EXAMINATION OF NORMATIVE LEGAL ACTS: THE LEGAL REGULATION OF THE SUBJECTS OF THE RUSSIAN FEDERATION The article is devoted to the examination of normative legal acts of the subjects of the Russian Federation as a way to prevent collisions. <...> It is made on the basis of the study and generalization of 32 regional laws, as a result of which identi ed the mandatory and optional examination. <...> The author has proposed directions of improvement of legal regulation of expert examination of legal acts at the regional level. <...> Она выполнена на основе исследований и обобщения 32 региональных законов, в результате чего выявлены обязательная и факультативная экспертизы. <...>