document can be part of the shipping instructions to the shipping company or a separate communication (e.g., a declaration including a weight certificate produced by a weigh station).” IMO Guidelines, paragraph 3.13. “[T]he document should clearly highlight that the gross mass provided is the “verified gross mass” as defined in paragraph 3.” IMO Guidelines, paragraph 8. “Irrespective of its form, the document declaring the verified gross mass of the packed container should be signed by a person duly authorized by the shipper. The signature may be an electronic signature or may be replaced by the name in capitals of the person authorized to sign it.”