National Health Insurance Act Article 50

A beneficiary shall pay the contracted medical care institutions for the self-bearing expenses prescribed in Articles 43 and 47.The Insurer shall be notified in cases where a beneficiary fails to pay the expenses according to the preceding paragraph after being notified and duly demanded by the contracted medical care institutions; the Insurer may suspend benefits to the beneficiary when necessary and when it has been determined, through investigation and supervision, that the beneficiary is capable of paying but is unwilling to pay insurance premiums. However, this is not applicable to individuals who are under protection in accordance with the Domestic Violence Prevention Act.