00599naa#a2200169#i#450# EN\NORMA\bibl\42832 20251216163600.2 1605-6590 20210706b2021####ek#y0engy0150####ca RU Ensuring Mandatory Requirements in the Field of Entrepreneurial Activity: Features of Regional Administrative and Tort Law Journal article Moscow Legal publishing house Norm 2021 0 с. Journal article local Право. Юридические науки. 34 Seleznev Vladimir Arkad'evich zh-szf.ru