Regulation for the Implementation of Inter-entity Supply Contracts Article 14

The contracting entity may charge the ordering entities or the supplier necessary fees for handling the Contract.The calculation of fees referred to in the preceding paragraph shall be specified in the tender documentation; the fees shall, in principle, not exceed one percent of the order value and shall be calculated differently depending on the value or amount of order.
中文原文 共同供應契約實施辦法第14條
訂約機關辦理本契約,得向訂購機關或訂約廠商收取必要之費用。
前項收取費用之計算方式,應載明於本契約之招標文件;其收取費用以不逾訂購金額之百分之一為原則,且應隨訂購金額或數量多寡訂定不同計算方式。

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