Regulations Governing the Management of Import/Export Clearance for Transportation means Article 50
An export vessel shall depart within 48 hours after customs clearance. Failure to depart within the said time limit shall re-apply for customs clearance, unless otherwise a departure postponement application has been filed with the Customs within a given deadline.In case that the cargos must be loaded or discharged from the vessel failing to depart mentioned in the preceding Paragraph, an application for clearance cancellation with the Customs along with a clearance certificate should be required. However, cargo discharge shall require additional procedures for import manifest correction and discharge permit before the discharge may commence.
中文原文 運輸工具進出口通關管理辦法第50條
出口船舶應於結關後四十八小時內開航。
逾上述時限未開航者，應向海關重行申請結關。
但於時限內向海關申報延期開航者，不在此限。
前項船舶未開航前因故須裝卸貨物者，應檢附結關證明書向海關申請註銷結關。
但須卸貨者另應辦理更正進口艙單及卸貨准單手續後，始得為之。
逾上述時限未開航者，應向海關重行申請結關。
但於時限內向海關申報延期開航者，不在此限。
前項船舶未開航前因故須裝卸貨物者，應檢附結關證明書向海關申請註銷結關。
但須卸貨者另應辦理更正進口艙單及卸貨准單手續後，始得為之。