Regulations for Cultural and Arts Procurements Article 16
When organizations engage in procurement related to culture and the arts, during the contract period, where vendors wish to change the content due to unforeseeable circumstances or where content more favorable to the organization than that of the original arises, the vendor may state explicitly the reasons for changes and append information comparing efficiencies and/or price. With the written approval of the organization, the vendor may elect to use the more effective/advantageous content.
中文原文 文化藝術採購辦法第16條
機關辦理藝文採購，履約期間廠商如因不可抗力原因，或較契約原訂內容更優或對機關更有利之情形，廠商得敘明理由，檢附效益及價格比較資料，徵得機關書面同意後，以其他效益相同或較優者代之。