Air Pollution Control Act Article 84

When the owner or user of a motor vehicle refuses to pay a fine, the special municipality, county or city competent authority may request the cooperation of the highway supervisory authority in suspending the use of the vehicle.
中文原文 空氣污染防制法第84條
汽車所有人或使用人,拒不繳納罰鍰時,得由直轄市、縣(市)主管機關移請公路監理機關配合停止其辦理車輛異動。

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