政府行為乃指源出於行政機關卻享有司法豁免特權的行政行為。該行為之存在令 人不得不質疑依法行政之理念；蓋該理念意味著所有源出於行政權之行為皆該接受法院之審 查。 本文便是針對法國公法上的這類行為，析究其行為本質；並探討這類行為之《司法可裁性》 的問題。文中的第一部份將介紹法國學界關於政府行為概念的主要理論論爭；而行政法院對 此概念在判例上的實踐則論述於本文的第二部份。最後再以幾點省思盼能提作日後深究之參 考。

　　　　　The 《 act de gouvernement 》 is a type of decision made by the administrative authority which benefits judiciary immunity. The existence of such an act casts doubt on the ideal of the 《 rule of law 》, which holds that all administrative decisions first and foremost controlled by the courts. This study aims to analyze the nature of some decisions made by the administrative authority and the problem of justiciability in French public law. The major theories of in mainstream discussions will be introduced in the first part of the paper. The practices which result from the decisions of the administrative court will then be examined in the second part. Finally, this paper will attempt to offer several ideas about directions for further research.