Oppugnation to the theoretic base of presumptive legality of administrative act

The presumptive legality of administrative act is a basic conception on traditional administrative jurisprudence.It has ever exerted very important function to maintain stability of administrative order.However,its theoretic base of basic status that had been held together on administrative law has occured waver with change of social environment.As a historic conception,the presumptive legality of administrative act should be retreated from the validity scope of administrative act.