Vital Area Regulations Article 8

The penalty for violating the above rules, prohibited actions and restrictions regarding new construction, structural modifications or remodeling of houses, warehouses or other structures and material piles, is to have the offending party demolish the structure(s) within a specified time frame. In the case of landscape modifications, the offender is to restore the landscape back to its original form. If the demolition or restoration required by law is not finished within the specified time frame, or inappropriate methodologies were used, the commander of the vital area is authorized to carry out the penalty. If hiring a third party is required to carry out the penalty, any expenses incurred will be passed along to the offending party.
中文原文 要塞堡壘地帶法第8條
違背本法所規定禁止及限制事項,無論新設、變更、改築之房屋、倉庫並其他之建築物或堆積物等,應限期令其拆除,如係變更地形應令其回復原狀,倘在限期內不能完全除去回復原狀或其所施方法不適合時,要塞司令部得逕自執行或命第三人代執行之,其費用由違背者擔負。

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