Delegated legislation is an important part of a country ' s legislation system . since it came into practice in the u . k , it has developed progressively with the complex of the social life and the extension of the government function 授权立法是一个国家立法制度的重要组成部分,自从其最早在英国产生后,它就伴随着社会生活的复杂化和政府职能的扩张而逐步发展起来。