A port handoff is usually shaped well before the vessel arrives. Cargo references, document status, release requirements, receiving contacts, and inland plans should point to the same movement.
The practical objective is shared visibility. Each party should know which milestone matters next, who owns it, and what information is required before responsibility changes hands.
When an exception appears, a current brief makes escalation more useful. The team can isolate the open question without rebuilding the entire shipment record.