part E of title XI of such Act, with respect to a price applicability period (as defined in section 1191(b) of such Act) and a selected drug (as defined in section 1192(c) of such Act) with respect to such period for which coverage is provided under such plan— (1) the provisions of such part shall apply, as applicable— (A) if coverage of such selected drug is provided under such plan if the drug is furnished or dispensed at a pharmacy or by a mail order service, to the plan, and to the participants and beneficiaries enrolled under such plan during such period, with respect to such selected drug, in the same manner as such provisions apply to prescription drug plans and MA–PD plans, and to participants and beneficiaries enrolled under such prescription drug plans and MA–PD plans during such period