Veterinarian Act Article 21

21.1 A veterinary care facility shall display prominently its operation permit, hours of operations, and general treatment rules as well as the practice licenses and certificates of in-house veterinarians or veterinary assistants.21.2 In case the certificate, the practice license (of an in-house veterinarian/veterinary assistant), or the operation permit (of a facility) is defaced or lost, the relevant party shall apply to the competent authority for its replacement or re-issuance.
中文原文 獸醫師法第21條
獸醫診療機構應將其開業執照、診療時間及其他診療規則懸掛於明顯處所;其獸醫師或獸醫佐執業執照及證書,亦同。
執業之獸醫師或獸醫佐,其證書、執業執照或開業執照有損壞或遺失時,應向主管機關申請換發或補發。

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