Government Procurement Act Article 68

The claim of a contractor against an entity for contract value or remuneration under a contract, whether in whole or in part, may be the object of a pledge.
中文原文 政府採購法第68條
得標廠商就採購契約對於機關之價金或報酬請求權,其全部或一部得為權利質權之標的。

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