Building Act Article 43
The ground surface of a building site shall be higher than the surfaces of the adjacent roads, and the slab of the ground storey shall be higher than the surface of the site, unless it doesn’t encumber the drainage of the site, or there are additional waterproof and water drainage equipments provided according to the purpose of the building.Where the building is equipped with an arcade, the ground surface may not be higher or lower than that of an adjacent arcade, unless it is approved by the municipal or county (city) competent authority of construction due to terrain-related factors.
中文原文 建築法第43條
建築物基地地面，應高出所臨接道路邊界處之路面；建築物底層地板面，應高出基地地面，但對於基地內之排水無礙，或因建築物用途上之需要，另有適當之防水及排水設備者，不在此限。
建築物設有騎樓者，其地平面不得與鄰接之騎樓地平面高低不平。
但因地勢關係，經直轄市、縣（市）（局）主管機關核准者，不在此限。
建築物設有騎樓者，其地平面不得與鄰接之騎樓地平面高低不平。
但因地勢關係，經直轄市、縣（市）（局）主管機關核准者，不在此限。