Building Act Article 41

Where the proprietor fail to take the construction permit or miscellaneous license within 3 months commencing from receipt of the notice that notifies the proprietor to take the permit, the competent authority of construction may cancel the permit.
中文原文 建築法第41條
起造人自接獲通知領取建造執照或雜項執照之日起,逾三個月未領取者,主管建築機關得將該執照予以廢止。

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