The Compulsory Enforcement Act Article 114-3

Where foreign vessels are auctioned by the court of the Republic of China, the preference right and mortgage right pertaining to the vessel shall be subject to the laws of the country of the vessel's nationality. Where the party has disputes over the claim amount secured by the preference rights or mortgage right or the priority order, the party who asserts the existence of preference right or mortgage right shall institute the suit to the enforcement court for its decision. Before the decision becomes irrevocable, the amount to be paid shall be lodged.
中文原文 強制執行法第114-3條
外國船舶經中華民國法院拍賣者,關於船舶之優先權及抵押權,依船籍國法。
當事人對優先權與抵押權之存在所擔保之債權額或優先次序有爭議者,應由主張有優先權或抵押權之人,訴請執行法院裁判;在裁判確定前,其應受償之金額,應予提存。

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