一、行政行为职权撤销概述(一)行政行为职权撤销的界定监督违法的行政行为并否定其法律效力,是依法行政的一项重要内容,而行政行为的撤销则是其中的一个重要手段。在我国,可以撤销行政行为的主体有很多,如权力机关、人民法院、行政复议机关等,提起撤销的方式既可以因职权而为之,亦可以由行政相对人一方申请而启动,本文所要论述的行政行为职权撤销问题只是行政行为撤销理论的一部分,是行政行为撤销方式的一种。行政行为的职 I. Overview of Administrative Actions ’Revocation of Authority (I) Definition of Administrative Actions’ Revocation of Authority The supervision of illegal administrative acts and the negation of their legal effects are an important part of the administration by law. Administrative revocation is one of the important measures. In our country, there are many subjects that can be revoked of administrative acts, such as the power organ, the people’s court, the administrative reconsideration organ, etc. The way of revocation can be done either by authority or by the application of one of the administrative counterparts. The issue of revocation of administrative authority is only part of the theory of revocation of administrative acts and is a kind of withdrawal of administrative acts. Administrative behavior of the post