Government Procurement Act Article 61

Except for extraordinary circumstances, an entity shall publish the outcome of an award on the Government Procurement Gazette and notify all tenderers in writing within a specific period of time after award of contact provided that the procurement is of a value reaching the threshold for publication. The foregoing shall also apply if the contract cannot be awarded.
中文原文 政府採購法第61條
機關辦理公告金額以上採購之招標,除有特殊情形者外,應於決標後一定期間內,將決標結果之公告刊登於政府採購公報,並以書面通知各投標廠商。
無法決標者,亦同。

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