TY JOUR TI LEGALITY AND EXPEDIENCY IN THE APPLICATION OF LEGAL RULES KW normative legal act KW law enforcement act KW lawmaking KW law enforcement KW legality KW expediency KW law enforcement KW presumption KW conflict JO Advances in Law Studies AU Lysenko, V.A. AU Shapoval, N.A. PY 2026 IS 14 PB Publishing Center RIOR