摘要:The high number of participants (over eighty, from six countries) and the topicsdiscussed proved once again that the efficiency of legal norms is a subject of constant interest in all areas regulated by law and permanently connected to other social rules. This volume of our review contains a selection of the papers presented at the conference. The editors are grateful to all authors for their contributions to this publication and peer reviewers for their valuable contributions to the improvement of draft papers.