Enforcement Rules of the National Health Insurance Act Article 20
If a beneficiary undertakes short term work for less than three months, without losing his/her original coverage status, he/she may continue the coverage under his/her original status.
中文原文 全民健康保險法施行細則第20條
保險對象原有之投保資格尚未喪失，其從事短期性工作未逾三個月者，得以原投保資格繼續投保。