Regulations for Bid Bond, Guarantee Bond and Other Guarantees Article 27

The release of warranty bond may be made in whole or in parts, conditional upon completion of the items or stages of warranty within the warranty period, and this shall be prescribed by an entity in the tender documentation upon considering the characteristics and actual needs of the procurement.
中文原文 押標金保證金暨其他擔保作業辦法第27條
保固保證金之發還,得以保固期間內完成保固事項或階段為條件,一次或分次發還,由機關視案件性質及實際需要,於招標文件中訂明。

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