Management Regulations for the Import and Export of Industrial Waste Article 10

When there is a failure to apply for a permit in accordance with these Regulations or an unauthorized import of hazardous waste or general industrial waste, or when waste that been approved for import has reached an open port of the Republic of China, but for some reason cannot be imported or has not been claimed, the recipient, holder of the cargo, or the carrier shall re-export such waste within 30 days of receiving notification.When the waste in the foregoing paragraph has not been released from customs clearance, the customs authority shall provide notification to return the waste within a prescribed period. When the waste has been released from customs clearance, the special municipality, county, city competent authority of the location where the waste was received shall provide notification to return the waste within a prescribed period.
中文原文 事業廢棄物輸入輸出管理辦法第10條
未依本辦法規定申請許可,擅自輸入有害廢棄物或一般事業廢棄物,或經許可輸入且已運達我國口岸之廢棄物因故不得進口或未經提領,其收貨人、貨品持有人或運送人,應於接獲通知日起三十日內,將該批廢棄物退運出口。
前項之廢棄物,其尚未通關放行者由海關通知限期退運。
其已通關放行者由該廢棄物所在地直轄市、縣(市)主管機關通知限期退運。

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