(a) This section applies only to a pharmacy benefits manager that provides pharmacy benefits management services on behalf of a carrier.
(b) A pharmacy benefits manager may not prohibit a pharmacy or pharmacist from:
(1) providing a beneficiary with information regarding the retail price for a prescription drug or the amount of the cost share for which the beneficiary is responsible for a prescription drug;
(2) discussing with a beneficiary information regarding the retail price for a prescription drug or the amount of the cost share for which the beneficiary is responsible for a prescription drug; or
(3) if a more affordable drug is available than one on the purchaser’s formulary and the requirements for a therapeutic interchange under §§ 15-1633.1 through 15-1639 of this subtitle are met, selling the more affordable alternative to the beneficiary.
(c) This section may not be construed to alter the requirements for a therapeutic interchange under §§ 15-1633.1 through 15-1639 of this subtitle.