Regulations for Bid Bond, Guarantee Bond and Other Guarantees Article 21

An entity may, upon considering the characteristics and actual needs of the procurement, prescribe in the tender documentation that the winning tenderer may receive an advance payment and amount thereof, and that the tenderer shall, prior to receiving the advance payment, provide a refund bond for advance payment in the like amount.Where necessary, an entity may notify the supplier to furnish an explanation as to the use of advance payment after receiving such payment.
中文原文 押標金保證金暨其他擔保作業辦法第21條
機關得視案件性質及實際需要,於招標文件中規定得標廠商得支領預付款及其金額,並訂明廠商支領預付款前應先提供同額預付款還款保證。
機關必要時得通知廠商就支領預付款後之使用情形提出說明。

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