Government Procurement Act Article 11

In order to provide reference information to the entity for drafting the budget and government estimate, a procurement information center shall be established by the responsible entity to compile common business information and classification of equivalent products, and to set up price database for construction works. Other than those that have to be kept confidential, the information shall be provided free of charge for the suppliers.Where the budget of a construction procurement reaching a certain amount, the unit prices of construction items offered by the winning tenderer shall be transmitted to the price database referred to in the preceding paragraph after award of contract.The regulations covering the certain amount, the data, format, and means of transmission, as well as other matters related thereto of the preceding paragraph, shall be prescribed by the responsible entity.Where there is any property and service item that is necessary to set up a price database, the preceding two paragraphs shall apply mutatis mutandis.
中文原文 政府採購法第11條
主管機關應設立採購資訊中心,統一蒐集共通性商情及同等品分類之資訊,並建立工程價格資料庫,以供各機關採購預算編列及底價訂定之參考。
除應秘密之部分外,應無償提供廠商。
機關辦理工程採購之預算金額達一定金額以上者,應於決標後將得標廠商之單價資料傳輸至前項工程價格資料庫。
前項一定金額、傳輸資料內容、格式、傳輸方式及其他相關事項之辦法,由主管機關定之。
財物及勞務項目有建立價格資料庫之必要者,得準用前二項規定。

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