акт делегированного законодательства(A document issued by the delegated authority (usually a Government Minister or committee) named within an act of parliament which affects the workings of the original Act, e.g. The County Courts Act 1984 confers authority on to the County Court Rule Committee to make rules relating to the operation of the County Courts act. LT Alexander Demidov)
подзаконный акт(a government or executive order of subordinate legislation. NOED. There is in addition a subordinate source of law which is drawn-up under powers specifically delegated by particular statutes. (For instance ‘statutory instruments' are a main source of this ‘secondary' legislation, often containing the ‘small-print' of a statute). LE Alexander Demidov)