Do all ocean shipments require an original OBL to be surrendered prior to delivery?

In most cases, this is required. The seller has the option of requesting an "express bill of lading" which will allow for the release of the cargo without the original ocean bill of lading. More.

Yes BUT only if the Shipper instructed the shipping line to issue one. The shipper can request Original or Express/Non-Negotiable Bills of Lading to be issued. Originals require that one endorsed copy be surrendered at destination prior to shipment being released.

With Express Bills of Lading, no documents need to be submitted and cargo will be automatically released to the consignee. More.

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