Civil Associations Act Article 55

Where a civil association has not been established within six months after the establishment is permitted, the permit shall be abolished. However, the term may be prolonged by up to three months with the approval of the competent authority.
中文原文 人民團體法第55條
人民團體經許可設立後逾六個月未成立者,廢止其許可。
但報經主管機關核准者,得延長之,其期間以三個月為限。

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