A contract between a pharmacy benefits manager and a pharmacy may not prohibit a pharmacy or pharmacist from doing any of the following:
(1) Providing an insured with information regarding the retail price of a prescription drug or the amount of the cost share for which the insured is responsible for a prescription drug.
(2) Discussing with an insured information regarding the retail price of a prescription drug or the amount of the cost share for which the insured is responsible for a prescription drug.
(3) If a more affordable substitute is available, selling the more affordable substitute to the insured.
81 Del. Laws, c. 378, § 1.