National Defense Act Article 9

In order to decide major defense policies and guidelines relating to national security or in response to urgent defense situations, the President may convene the National Security Council.
中文原文 國防法第9條
總統為決定國家安全有關之國防大政方針,或為因應國防重大緊急情勢,得召開國家安全會議。

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