摘要
政府採購法主要係為建立政府採購制度，依公平、公開之採購程序，提昇採購效率與功能，確保採購品質而制定。基於政府採購之採購主體為政府機關、公立學校、公營事業及符合本法第4條、第5條規定之法人或團體（統稱招標機關），受其公法規範之監督，究與一般民間採購有所不同，招標機關所為之採購行政行為、採購決定或異議處理結果，對於投、得標廠商權益影響甚鉅，基於政府採購之公平性、公開性，採購行政行為自應符合基本行政程序為宜。 而政府採購法之實施，隨著社會時代發展，以雙階理論為基礎的二元模型已然為法院司法實務多數採納之見解。政府採購法係招標機關為達到行政目的所進行採購契約簽立前所為之程序行政行為而具有行政法之性質，而行政法係專規範行政權之組織、作用、程序。從理論上而言，政府採購法於採購契約簽立前之程序行政行為，為程序保障，自有行政程序法之適用。當政府採購法與行政程序法競合適用時，其適用主體、客體、順位及範圍等疑義，則有討論之必要性。 招標機關從一開始程序之進行，到通知投、得標廠商決定結果而終結程序，若遇採購人員或採購案主持人等有應作為而不作為、或應不作為而作為、或未依法公告資訊、或提供不完全、錯誤之資訊、或違反禁止程序外接觸等過程中事涉程序瑕疵，得否以補正方式而治癒，若無法補正，將對投、得標廠商產生不利益之影響。不僅影響特定人即受處分人之權益，而且對於參與投標廠商競爭者之權益亦發生密切關係，與一般行政爭訟不盡相同，而有其特殊性，因此在不服決定或處置救濟程序上，如何維護程序上正義，保障程序之權利，以求爭訟決定或判決之客觀公正適法，均屬值得研究之課題。
並列摘要
The Government Procurement Act is enacted to establish a government procurement system that has fair and open procurement procedures, promotes the efficiency and effectiveness of government procurement operation, and ensures the quality of procurement. The subjects of GOVERNMENT PROCUREMENT ACT are government, public school or government-owned enterprise and any juridical person or organization qualified in articles 4,5 of this ACT, which thereafter are all called tendering entity. Due to the tendering entity is different from the subject of Private Procurement, the tendering entity should be supervised by Public laws. That is, any procurement administrative action, procurement decision or protest disposition conducted by tendering entity are identified with administrative disposition. And the administrative disposition has a great influence on tenderers and winning tenderers. In view of fairness and publicity of government procurement, the procurement administrative action must conform to administrative procedure. With the development of society, the two-phase theory is the major opinion adopted by the court judicial judgments and decisions. In other words, Government Procurement Act is an administrative action procedure before signing procurement contract, and the action procedure has the same property of Administrative Act for the tendering entity which achieves administrative purposes, making the purchase. Administrative Act specifically relates to the organization, function and procedure of Executive Power. Theoretically ,the procedure administrative action before signing procurement contract is a procedure guarantee, also applicable to the Administrative Procedure Act. Therefore, when Procurement Act and Administrative Procedure Act arise conflict relationship, it’s necessary to discuss the questionable point about subject, object, subordinated and range. The tendering entity proceeds a series of procedures from the beginning to notify the decision to the tenderers and winning tenderers, and then end the procedure. If the procurement has procedure flaws because of neglect, deliberate misconduct, failure to open notice, or the prohibited extra contact, the flaws should be corrected and removed. If we can’t remove the defects, we’ll impair the benefits of tenderers and winning tenderers.. Therefore, it is really necessary to research about how to preserve procedure justice and protect procedure right, thus reaching the fairness and legitimacy, when dealing with the dispute about the procurement procedure and contract. Keyword: Procurement, two-phase theory, Procedural defects, Legal effect, Procedural actions, Theory of Protective Norms