Enforcement Rules for the Regional Plan Act Article 17

The “60 days” prescribed in Article 15-4 of the Act means 60 days commencing from the next day after the municipal or county (city) competent authority accepts the case of application for development plan.The “90 days” prescribed in Article 15-4 of the Act means 90 days commencing from the next day after the competent authorities accepts the case and the applicant pays off the examination fee.
中文原文 區域計畫法施行細則第17條
本法第十五條之四所定六十日,係指自直轄市、縣(市)主管機關受理申請開發案件之次日起算六十日。
本法第十五條之四所定九十日,係指自主管機關受理審議開發案件,並經申請人繳交審查費之次日起算九十日。

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