Louisiana Revised Statutes Tit. 9, § 4422. Obligations secured by mortgages or privileges; signatures and writings deemed authentic for purposes of foreclosure

(1) All signatures of the following persons or entities are presumed to be genuine and no further evidence is required of those signatures for the purposes of executory process: endorsers, guarantors, and other persons whose signatures appear on or are affixed to such instrument secured by the mortgage or privilege.

(2) The assignment, pledge, negotiation, or other transfer of any obligation secured by a mortgage or privilege may be proven by any form of private writing, and such writing shall be deemed authentic for the purposes of executory process.

(3) The holder of any promissory note, whether negotiable or not, and any negotiable instrument under this Section may enforce the mortgage or privilege securing such instrument without authentic evidence of the signatures, assignment, pledge, negotiation, or transfer thereof.