According to special provision 356, metal hydride storage systems intended for installation in vehicles, wagons, vessels, machinery, engines or aircraft must be approved by the authorised authority of the country of manufacture *) before being accepted for transportation. The carriage document shall state that the package has been approved by the authorised authority of the country of manufacture *), or each consignment shall be accompanied by a copy of the approval of the authorised authority of the country of manufacture *).

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*) If the country of manufacture is not a Party to the ADN, the approval shall be recognised by the authorised authority of a Party to the ADN.