Qualifying ship status requires minimum tonnage, prescribed registration and a valid tonnage certificate, while excluding specified vessel categories.

Qualifying ship status requires a seagoing ship, vessel or inland vessel of at least fifteen net tonnage, prescribed registration or an applicable shipping licence, and a valid net-tonnage certificate. Excluded vessels include those principally used for land-type goods or services, fishing vessels, factory ships, pleasure crafts, harbour and river ferries, and offshore installations. Eligibility is also denied where a qualifying vessel is used as a fishing vessel for more than thirty days during the relevant period.

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