National Health Insurance Act Article 59

The right of a beneficiary to receive cash reimbursement for self-advanced medical expenses shall not be assigned, offset, seized, or used as security.
中文原文 全民健康保險法第59條
保險對象受領核退自墊醫療費用之權利,不得讓與、抵銷、扣押或供擔保。

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