Government Procurement Act Article 93

An entity may execute an inter-entity supply contract with a supplier for the supply of property or services that are commonly needed by entities.The regulations for a procurement of an inter-entity supply contract, the matters specified in the tender documentation and contract, applicable entities, and the related matters shall be prescribed by the responsible entity.
中文原文 政府採購法第93條
各機關得就具有共通需求特性之財物或勞務,與廠商簽訂共同供應契約。
共同供應契約之採購,其招標文件與契約應記載之事項、適用機關及其他相關事項之辦法,由主管機關另定之。

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