Core Insights - The article discusses the procedures and considerations for handling international express shipments that are delayed in customs clearance for over 7 days, emphasizing the importance of identifying the cause of the delay before deciding on a return shipment [3][4][6]. Group 1: Customs Clearance Delays - Delays in customs clearance exceeding 7 days are common and do not necessarily require immediate return shipment; it is more efficient to investigate the cause of the delay first [3][4]. - Common reasons for delays include missing tax numbers, incomplete declaration information, or the need for additional inspections and certifications [4][6]. Group 2: When to Consider Return Shipment - Return shipment should only be considered if the issues causing the delay are insurmountable or if the costs of continuing the clearance process exceed the value of the goods [6]. - Specific scenarios warranting return include goods classified as prohibited items, perishable goods nearing expiration, or when the total costs of customs fees and storage exceed the value of the goods [6]. Group 3: Return Shipment Procedures - If a return shipment is necessary, it is crucial to confirm the return shipping costs with the carrier, as these are typically higher than initial shipping fees [7]. - A return application must be submitted to customs along with supporting documents, clearly stating the reason for the return, and approval from customs is required before initiating the return process [7].