Land Act Article 89
In respect of private vacant lands and uncultivated lands under its jurisdiction, the Special Municipal or County (City) Land Administration Agency may mark off areas and prescribe a time limit within which such lands shall be duly used according to law.If the private uncultivated lands referred to in the preceding paragraph are not duly used according to Act after the expiration of the prescribed time limit, the competent Special Municipal or County (City) Government may purchase them at their declared values.
中文原文 土地法第89條
直轄市或縣（市）地政機關對於管轄區內之私有空地及荒地，得劃定區域，規定期限，強制依法使用。
前項私有荒地，逾期不使用者，該管直轄市或縣（市）政府得照申報地價收買之。
前項私有荒地，逾期不使用者，該管直轄市或縣（市）政府得照申報地價收買之。