Fee Collection Standards for Environmental Agents Permission Applications and Testing Article 6

With the exception of those circumstances in which there is a mistaken payment or overpayment that is to be handled pursuant to the Charges and Fees Act, applications for refunds may not be accepted for any reason after the payment of fees designated in these Standards.
中文原文 環境用藥各項許可申請及檢驗收費標準第6條
本標準所規定之各項費用經繳納後,除有誤繳或溢繳情形,依規費法相關規定辦理外,不得以任何理由申請退費。

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