Land Tax Act Article 34

When the landowner sells their self-use residential land, the land value increment tax on the portion of urban land not exceeding 3 acres or non-urban land not exceeding 7 acres shall be levied at a rate of 10% of the total land value increment for that portion. For the portion exceeding 3 acres of urban land or 7 acres of non-urban land, the tax shall be levied according to the tax rates specified in the preceding article.The provisions of the preceding paragraph do not apply if the land was used for business purposes or rented out within one year before the sale.The provisions of the first paragraph do not apply if the assessed value of the self-use residence is less than 10% of the assessed present value of the land it occupies. However, this does not apply if the construction of the self-use residence was completed for one year or more.The landowner who pays the land value increment tax according to the rate specified in the first paragraph may do so only once in the lifetimeAfter applying the provisions of the preceding paragraph, if the landowner sells their self-use residential land again and meets the following conditions, the once in the lifetime restriction does not apply:1. The area of urban land sold does not exceed 1.5 acres, or the area of non-urban land sold does not exceed 3.5 acres.2. At the time of sale, neither the landowner, their spouse, nor their minor children own any other houses besides the self-use residence in question.3. The land has been held for six years or more before the sale.4. The landowner, their spouse, or minor children have had household registration in the location of the self-use residence and have held the residential house continuously for six years or more before the sale.5. The land has not been used for business purposes or rented out within five years before the sale.Should the aforementioned provisions result in a substantial loss of tax revenue for the municipal and county (city) governments, the central government shall compensate for the loss until the amendment to the Act Governing the Allocation of Government Revenues and Expenditures expands the scale of centrally allocated tax funds. This compensation is not subject to the restriction of Article 23 of the Budget Act concerning the prohibition of using public debt revenue for regular expenditures.The calculation of the aforementioned substantial loss shall be decided by the central competent authority together with the municipal and county (city) governments through consultation.
中文原文 土地稅法第34條
土地所有權人出售其自用住宅用地者,都市土地面積未超過三公畝部分或非都市土地面積未超過七公畝部分,其土地增值稅統就該部分之土地漲價總數額按百分之十徵收之;超過三公畝或七公畝者,其超過部分之土地漲價總數額,依前條規定之稅率徵收之。
前項土地於出售前一年內,曾供營業使用或出租者,不適用前項規定。
第一項規定於自用住宅之評定現值不及所占基地公告土地現值百分之十者,不適用之。
但自用住宅建築工程完成滿一年以上者不在此限。
土地所有權人,依第一項規定稅率繳納土地增值稅者,以一次為限。
土地所有權人適用前項規定後,再出售其自用住宅用地,符合下列各款規定者,不受前項一次之限制:
一、出售都市土地面積未超過一‧五公畝部分或非都市土地面積未超過三‧五公畝部分。
二、出售時土地所有權人與其配偶及未成年子女,無該自用住宅以外之房屋。
三、出售前持有該土地六年以上。
四、土地所有權人或其配偶、未成年子女於土地出售前,在該地設有戶籍且持有該自用住宅連續滿六年。
五、出售前五年內,無供營業使用或出租。
因增訂前項規定造成直轄市政府及縣(市)政府稅收之實質損失,於財政收支劃分法修正擴大中央統籌分配稅款規模之規定施行前,由中央政府補足之,並不受預算法第二十三條有關公債收入不得充經常支出之用之限制。
前項實質損失之計算,由中央主管機關與直轄市政府及縣(市)政府協商之。

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