Social Order Maintenance Act Article 20

A fine shall be paid off within ten days starting from the next day the punishment decision is made.When the punished party is unable to pay off a fine because of unfavorable economic conditions, they may be allowed to pay in installments over a period of three months. However, when the payment is delayed and in default on any one of the installment, the deadline for the installment first defaulted shall be set as the deadline for paying off the unpaid installment.
中文原文 社會秩序維護法第20條
罰鍰應於裁處確定之翌日起十日內完納。
被處罰人依其經濟狀況不能即時完納者,得准許其於三個月內分期完納。
但遲誤一期不繳納者,以遲誤當期之到期日為餘額之完納期限。

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