Okla. Stat. tit. 12A, § 12A-1-307: Prima facie evidence by third-party documents

Prima Facie Evidence by Third-Party Documents.

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 third party is prima

facie evidence of its own authenticity and genuineness and of the

facts stated in the document by the third party.