Enforcement Rules of the Government Procurement Act Article 5

Where the procuring entity is a public school or government-owned enterprise, the term "superior entity" referred to in paragraph 2 of Article 9 of the Act shall be the government agency to which the school or enterprise belongs.The term "no superior entity above the procuring entity" referred to in paragraph 2 of Article 9 of the Act means the National Assembly, the Office of the President, the National Security Council, the five Yuans, and the first tier entities of each Yuan at the central government level, and the municipal and county (city) governments and councils at the local government level.
中文原文 政府採購法施行細則第5條
本法第九條第二項所稱上級機關,於公營事業或公立學校為其所隸屬之政府機關。
本法第九條第二項所稱辦理採購無上級機關者,在中央為國民大會、總統府、國家安全會議與五院及院屬各一級機關;在地方為直轄市、縣(市)政府及議會。

English translation for reference only; the Chinese text prevails. Not legal advice.