Copyright Act Article 103

Upon complaint or information of an infringement of a person's copyright or plate rights, judicial police officials or judicial police may seize the infringing articles in accordance with law and refer the matter for investigation.
中文原文 著作權法第103條
司法警察官或司法警察對侵害他人之著作權或製版權,經告訴、告發者,得依法扣押其侵害物,並移送偵辦。

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