Arkansas Code Title 23. Public Utilities and Regulated Industries § 23-79-159. Notification of drug formulary changes

(a)(1) A health benefit plan that provides prescription drug coverage or contracts with a third party for prescription drug services with tiered copayments shall notify an enrollee presently taking a prescription drug, in writing or electronically at the request of the enrollee, at least sixty (60) days before an increase in the enrollee’s financial responsibility as a result of a modification by the health benefit plan to the health benefit plan's drug formulary.

(2) Subdivision (a)(1) of this section does not apply to a generic substitution for a prescription drug.