Government Procurement Act Article 31

After award of contract, an entity shall refund or return, without interest, the bid bond deposited by unsuccessful tenderers. The same shall also apply if the tendering procedure is nullified.The bid bond deposited shall not be refunded or returned to the tenderer, and the refunded or returned bid bond shall be recovered if any of the following circumstances exists. The same shall apply where the bid bond is not deposited in accordance with the tender documentation.1. the tenderer used false or untrue documents to tender;2. the tenderer borrowed the name or certificate of another to tender, or allowed any others to borrow its name or certificate to participate in a tender;3. the tenderer assumed the name or certificate of another to tender;4. after being awarded, the tenderer refused to execute a contract;5. after being awarded, the tenderer failed to deposit sufficient guarantee bond or to provide other guarantees sufficiently within a prescribed time-limit;6. the tenderer offered, promised, or delivered improper benefit to the personnel in relation to procurement; or7. the responsible entity found that there is a violation of laws and regulations which affects the fairness of the procurement.Of the circumstances of recovery of bid bond referred to in the preceding paragraph, the amount of recovery shall be determined by the amount specified in the tender documentation when the tenderer fails to deposit the bid bond according to the tender documentation; and for a bid bond determined by a fixed proportion of the tender price and there is no tender price for calculation, the tender price shall be substituted by the budget amount.The right to claim for recovery of bid bond referred to in paragraph 2 shall not be executed after five years.Where a tenderer fail to deposit bid bond in accordance with the tender documentations, the period referred to in the preceding paragraph shall be commenced from the date of tender opening, or shall be commenced from the date of refunding or returning if it has been refunded or returned. Provided that the reason for recovery of refunded or returned bid bond may occur or may be known to be in the latter, the period shall be commenced from the time of occurrence or the time of knowning.The right to claim for recovery of bid bond shall not be executed after fifteen years from the date of not opening, not awarding a contract, nullifying of procurement, or awarding a contract.
中文原文 政府採購法第31條
機關對於廠商所繳納之押標金,應於決標後無息發還未得標之廠商。
廢標時,亦同。
廠商有下列情形之一者,其所繳納之押標金,不予發還;其未依招標文件規定繳納或已發還者,並予追繳:
一、以虛偽不實之文件投標。
二、借用他人名義或證件投標,或容許他人借用本人名義或證件參加投標。
三、冒用他人名義或證件投標。
四、得標後拒不簽約。
五、得標後未於規定期限內,繳足保證金或提供擔保。
六、對採購有關人員行求、期約或交付不正利益。
七、其他經主管機關認定有影響採購公正之違反法令行為。
前項追繳押標金之情形,屬廠商未依招標文件規定繳納者,追繳金額依招標文件中規定之額度定之;其為標價之一定比率而無標價可供計算者,以預算金額代之。
第二項追繳押標金之請求權,因五年間不行使而消滅。
前項期間,廠商未依招標文件規定繳納者,自開標日起算;機關已發還押標金者,自發還日起算;得追繳之原因發生或可得知悉在後者,自原因發生或可得知悉時起算。
追繳押標金,自不予開標、不予決標、廢標或決標日起逾十五年者,不得行使。

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