In this chapter, the following terms have the meanings indicated. Terms Defined. “Appeal decision” means a written or electronic notice issued by a PBM in response to an appeal filed by a contracted pharmacy of the maximum allowable cost used to adjudicate a claim. “Beneficiary” means an individual who receives prescription drug coverage or benefits from a purchaser. “Carrier” has the meaning stated in Insurance Article §15-1601, Annotated Code of Maryland. “Compensation program” has the meaning stated in Insurance Article §15-1601, Annotated Code of Maryland. “Contracted pharmacy” has the meaning stated in Insurance Article, §15-1601, Annotated Code of Maryland. “MAC complaint” means a communication by a contracted pharmacy that disputes the appeal decision, and is submitted on a MAC complaint form to the Commissioner, after the pharmacy benefits manager’s internal appeal process has been exhausted as required by Insurance Article, §15-1628.1(f), Annotated Code of Maryland. “MAC complaint form” means the form adopted by the Commissioner under Regulation .05 of this chapter. “MAC list” means a list of multisource generic drugs, medical products, and devices for which a MAC has been established by a pharmacy benefits manager or a purchaser. “Maximum allowable cost” or “MAC” has the meaning stated in Insurance Article, §15-1628.1, Annotated Code of Maryland. “Multisource generic drug” means a generic drug as defined in Health-General Article, §21-2C-01(f), Annotated Code of Maryland, for which there is at least one other drug and does not include a brand name drug as that term is defined in Health Occupations, §12-504, Annotated Code of Maryland. “Participating pharmacy contract” means a contract filed with the Commissioner that is: Between a pharmacy and a: Pharmacy benefits manager; Pharmacy services administrative organization; or Group purchasing organization; Filed as required by the Commissioner; Not disapproved by the Commissioner; and In compliance with the requirements stated in this chapter. “Pharmacist” has the meaning stated in Health Occupations Article, §12–101, Annotated Code of Maryland. “Pharmacy” has the meaning stated in Health Occupations Article, §12–101, Annotated Code of Maryland. “Pharmacy benefits management services” has the meaning stated in Insurance Article, §15-1601, Annotated Code of Maryland. “Pharmacy benefits manager” or “PBM” has the meaning stated in Insurance Article, §15-1601, Annotated Code of Maryland. “Pharmacy services administration organization” or “PSAO” means an entity that provides a contracted pharmacy with contracting administrative services relating to prescription drug benefits. “Pricing information” means anything used in the mathematical calculation to determine the payment to a contracted pharmacy. “Purchaser” has the meaning stated in Insurance Article, §15-1601, Annotated Code of Maryland. “Source” means the publisher or publishers stated in the participating pharmacy contract, used by the PBM, in any manner, to establish the basis of the PBM’s MAC reimbursement amount to a contracted pharmacy, under a participating pharmacy contract compensation program. “Working day” means any day that the Maryland Insurance Administration is open for business.