Act Governing Issuance of Police Criminal Record Certificates Article 5

The county (city) police bureau (department) shall issue a police criminal record certificate within 3 working days starting from the next day after receipt of the application mentioned in the preceding article, unless it is necessary to seek additional information from relevant judicial or military judicial authorities.
中文原文 警察刑事紀錄證明核發條例第5條
直轄市、縣(市)政府警察局應於受理前條申請之次日起三個工作日,核發警察刑事紀錄證明。
但須向有關司法、軍法機關查詢者,不在此限。

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