42 CFR 423.894 - Construction.
Nothing in this part must be interpreted as prohibiting or restricting:
(1) Supplemental to the benefits provided under a Part D plan; or
(2) Of higher actuarial value than the actuarial value of standard prescription drug coverage (as defined in § 423.104(d)); or
(d) Sponsors from providing for flexibility in the benefit design and pharmacy network for their qualified retiree prescription drug coverage, without regard to the requirements applicable to Part D plans under § 423.104, as long as the requirements under § 423.884 are met.