
US Customs Clearance: ISF, POA, IOR Checklist — The 2026 Guide for Amazon FBA Sellers
You’ve chosen the right Incoterm (DDP, as Amazon FBA mandates) and your supplier is ready to ship. But between the factory in Shenzhen and the Amazon fulfillment center in Ontario, California, sits a black box that rejects more FBA shipments than port congestion ever will: US Customs and Border Protection (CBP). Three acronyms govern whether […]
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