Me. Rev. Stat. tit. 11, § 1-1307

A document in due form purporting to be a bill of lading, policy or certificate of insurance, official weigher’s or inspector’s certificate, consular invoice or any other document authorized or required by the contract to be issued by a 3rd party is prima facie evidence of its own authenticity and genuineness and of the facts stated in the document by the 3rd party.