Enforcement Rules of the Government Procurement Act Article 35

A government estimate may not be disclosed after contract award if any of the following circumstances exists, provided that the winning tenderer shall be notified of the government estimate:1. where the procurement is conducted pursuant to subparagraph 2 of paragraph 1 of Article 104 of the Act;2. where it is a procurement conducted with a view to commercial resale or to using in the production of products for commercial sale, and the government estimate involves commercial secrets;3. where it is a multiple award procurement, and there remains related pending items or quantities to be awarded, provided that the government estimate shall be disclosed after awarding of the related items or quantities; and4. other circumstances as prescribed by the superior entity.
中文原文 政府採購法施行細則第35條
底價於決標後有下列情形之一者,得不予公開。
但應通知得標廠商:
一、符合本法第一百零四條第一項第二款之採購。
二、以轉售或供製造成品以供轉售之採購,其底價涉及商業機密者。
三、採用複數決標方式,尚有相關之未決標部分。
但於相關部分決標後,應予公開。
四、其他經上級機關認定者。

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