TY JOUR TI DEBATE ON APPLICATION OF NORMS ON THE RETROACTIVE EFFECT OF CRIMINAL LAW KW retroactive effect of criminal law KW effect of the law in time KW decriminalization KW mitigation of punishment KW other improvement of person's position KW two-stage recalculation of punishment KW imperative procedure for reviewing sentences KW criminal record / conviction JO Volgograd Academy of the Ministry of the Interior of Russia AU Obernihina, O.V. PY 2026 IS 0 PB Volgograd Academy of the Ministry of Internal Affairs of Russia