436.558.  Predetermined payment to company, amount — limitation on length of contract term. — 1.  The contracted amount to be paid to the consumer legal funding company shall be set as a predetermined amount based upon intervals of time from the funding date to the resolution date and shall not be determined as a percentage of the recovery from the legal claim.

  2.  No consumer legal funding contract shall be valid if its terms exceed a period of forty-eight months.  No consumer legal funding contract shall be automatically renewed.