42 C.F.R. § 423.462 Medicare secondary payer procedures.
Title 42 - Public Health
The provisions of §422.108 of this chapter regarding Medicare secondary payer procedures apply to Part D sponsors and Part D plans (with respect to the offering of qualified prescription drug coverage) in the same way as they apply to MA organizations and MA plans under Part C of title XVIII of the Act, except all references to MA organizations and MA plans are considered references to Part D sponsors and Part D plans.
Title 42: Public Health
PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT
Subpart J—Coordination of Part D Plans With Other Prescription Drug Coverage
§ 423.462 Medicare secondary payer procedures.

