; or (C) limit the ability of a group health plan or health insurance issuer to pass through rebates, fees, alternative discounts, and other remuneration to the participant or beneficiary. (e) Enforcement (1) In general The Secretary shall enforce this section. (2) Violations A group health plan, a health insurance issuer, or an entity providing pharmacy benefit management services that violates subsection (a); an entity providing pharmacy benefit management services that fails to provide information required under subsection (b); a group health plan, health insurance issuer, or entity providing pharmacy benefit management services that violates subsection (c)