Patient's question:
Tubal blockage, what is the meaning of tubal blockage?Doctor's answer:
Customs clearance, also known as clearing customs, refers to the requirement for imported goods, exported goods, and transshipment goods to declare to customs authorities and complete the various procedures stipulated by customs regulations when entering or exiting a country's customs territory or border. During the customs clearance process, whether for import, export, or transshipment, the goods remain under customs supervision and are not permitted to circulate freely. Only after fulfilling all obligations, completing customs declarations, inspections, tax collection, and release procedures, can the goods be released, and the consignor or declarant can take possession of them. Similarly, all transportation means carrying imported or exported goods must declare to customs authorities, complete customs procedures, and obtain customs authorization when entering, exiting, or transshipping across borders.