; (B) discounts, rebates, fees, or other remuneration with respect to prescription drugs prescribed to participants or beneficiaries in the plan or coverage; or (C) otherwise determined by the Secretary to be unreasonable. (c) Definitions In this section: (1) Bona fide service fees The term bona fide service fees means fees paid by a manufacturer, customer, or client (other than a group health plan or health insurance issuer) of an entity providing pharmacy benefit management services, to an entity providing pharmacy benefit management services, that represent fair-market value for bona fide, itemized services actually performed on behalf of the manufacturer, customer, or client and that the manufacturer, customer, or client would otherwise perform or contract for in the absence of the service arrangement, and that are not passed on in whole or in part to a client or customer of an entity, whether or not the entity takes possession of the drug. (2) Wholesale acquisition cost The term wholesale acquisition cost has the meaning given such term in section 1847A(c)(6)(B) of the Social Security Act (42 U.S.C. 1395w–3a(c)(6)(B)).