Enforcement Rules of the Government Procurement Act Article 55

The term "three or more tenders" referred to in paragraph 1 of Article 48 of the Act means three or more tenderers submit their tenders under open tendering procedures which meet the following requirements:1. the tenders have been submitted at the procurement entity or any designated place pursuant to the requirement of Article 33 of the Act;2. no such circumstances exist where the opening of tenders is prohibited pursuant to paragraph 1 of Article 50 of the Act;3. no such circumstances exist where the opening of tenders is prohibited pursuant to paragraphs 1 and 2 of Article 33 of this Enforcement Rules; and4. the tenderers are not prohibited from participating in tendering pursuant to paragraph 1 of Article 38 of this Enforcement Rules.
中文原文 政府採購法施行細則第55條
本法第四十八條第一項所稱三家以上合格廠商投標,指機關辦理公開招標,有三家以上廠商投標,且符合下列規定者:
一、依本法第三十三條規定將投標文件送達於招標機關或其指定之場所。
二、無本法第五十條第一項規定不予開標之情形。
三、無第三十三條第一項及第二項規定不予開標之情形。
四、無第三十八條第一項規定不得參加投標之情形。

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