Administrative Regulations on the Controlled Telecommunications Radio-Frequency Devices Article 15

Prior to conducting tests on CTRFD that transmit radio waves, the applicant shall apply to NCC for approval, which shall not be required if an operation certificate has been obtained and the test is performed within an appropriate radio waves shielding facility.
中文原文 電信管制射頻器材管理辦法第15條
測試電信管制射頻器材涉及無線電頻率之使用者,應向主管機關申請,經核准後始得為之。
但取得經營許可執照者,於適當之電波隔離設施內進行之測試,不在此限。

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