42 C.F.R. § 423.516 Prohibition of midyear implementation of significant new regulatory requirements.
Title 42 - Public Health
CMS may not implement, other than at the beginning of a calendar year, regulations under this section that impose new, significant regulatory requirements on a PDP sponsor or a prescription drug plan.
Title 42: Public Health
PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT
Subpart K—Application Procedures and Contracts with Part D plan sponsors
§ 423.516 Prohibition of midyear implementation of significant new regulatory requirements.

