Land Tax Act Article 51

Land with unpaid land tax may not undergo transfer registration or establishment of Dien rights until the tax arrears are fully settled.For land auctioned by a court or the branch of the Administrative Enforcement Agency, if the auction price is insufficient to pay for its land value increment tax assessed based on the transfer value determined according to the proviso in the exception clause of Subparagraph 5 of Paragraph 1 of Article 30, the court or the branch of the Administrative Enforcement Agency shall not issue the transfer certificate until the auctioneer has paid off the shortfalls on behalf of the taxpayer.Regarding the unpaid taxes mentioned in the first paragraph, the acquirer of the land may apply for payment on behalf or deduct them from the purchase price or consideration; in the case of payment on behalf, the acquirer may seek reimbursement from the taxpayer.
中文原文 土地稅法第51條
欠繳土地稅之土地,在欠稅未繳清前,不得辦理移轉登記或設定典權。
經法院或行政執行分署拍賣之土地,依第三十條第一項第五款但書規定審定之移轉現值核定其土地增值稅者,如拍定價額不足扣繳土地增值稅時,法院或行政執行分署應俟拍定人代為繳清差額後,再行發給權利移轉證書。
第一項所欠稅款,土地承受人得申請代繳或在買價、典價內照數扣留完納;其屬代繳者,得向納稅義務人求償。

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