Incoterms 2020 splits the rules into two families, and choosing from the wrong family is a common mistake.
The four "any mode of transport" rules (EXW, FCA, CPT, CIP, DAP, DPU, DDP) work for road, rail, air, sea, or multimodal shipments, including containers handed over at a terminal rather than loaded onto a ship by you.
The four "sea and inland waterway only" rules (FAS, FOB, CFR, CIF) assume the goods physically cross a ship's rail at a port. For containerised cargo handed to a carrier at a terminal, the ICC actually recommends FCA over FOB and CPT/CIP over CFR/CIF, because the container leaves your control before it is loaded on the vessel. In practice FOB and CIF remain widely used for containers by habit; just know the risk-transfer point may not match where you lose physical control.
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