The Enforcement Act of Act of Military Service System Article 13

Standing Soldiers suspended during the period of Active Service in accordance with Paragraph 1 of Articles 20 of the Act of Military Service System shall not be included in the Active Service from the day of approving of suspension.
中文原文 兵役法施行法第13條
常備兵服現役期間,依兵役法第二十條第一項停役者,自核定停役日起,不得算入現役期間內。

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