Regulations on the Impoundment of Traffic-Violation Vehicle Article 13

The removal and custodial fees for the car or motor-powered machine shall be determined by the enforcement authorities based on the required expenses of removal and custody, and be implemented with authorization of the competent authority.The removal and custody for the car or motor-powered machine referred to the preceding paragraph are authorized to the local municipal, county, or city government or any other related agency, the fees shall be determined by said government or agency.
中文原文 道路交通違規車輛移置保管及處理辦法第13條
車輛或動力機械移置費、保管費之費率,由執行機關按移置保管所需必要費用擬訂,報主管機關核定後實施。
前項車輛或動力機械之移置保管如係委託當地直轄市、縣(市)政府或其他相關機關辦理者,其收費應依各該機關所定費率為之。

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