(a) The department shall require each insurance company writing workers’ compensation insurance in this state to offer at least three optional deductible plans adopted under this section that allow a policyholder to self-insure for the amount of the deductible.
(b) The commissioner by rule shall allow an employer to enter into an agreement with an insurer for a negotiated deductible that exceeds the highest deductible available under a plan described by Subsection (a).