; or (II) is a resident of a skilled nursing facility (as defined in section 1819(a)), or a medical institution or nursing facility for which payment is made for an institutionalized individual under section 1902(q)(1)(B), for which frequently abused drugs are dispensed for residents through a contract with a single pharmacy, as determined by the Secretary in accordance with this paragraph. (C) Dispensing Nothing in this paragraph shall be construed as requiring a sponsor of a prescription drug plan under this part, MA organization offering an MA–PD plan under part C, or a pharmacist to verify that a practitioner, with respect to a prescription for a covered part D drug, has a waiver (or is otherwise exempt) under subparagraph (B) from the requirement under subparagraph (A). Nothing in this paragraph shall be construed as affecting the ability of the plan to cover or the pharmacists’ ability to continue to dispense covered part D drugs from otherwise valid written, oral or fax prescriptions that are consistent with laws and regulations. Nothing in this paragraph shall be construed as affecting the ability of the beneficiary involved to designate a particular pharmacy to dispense a prescribed drug to the extent consistent with the requirements under subsection (b)(1) and under this paragraph. (D) Enforcement The Secretary shall, pursuant to rulemaking, have authority to enforce and specify appropriate penalties for non-compliance with the requirement under subparagraph (A). . (b) Effective date The amendment made by subsection (a) shall apply to coverage of drugs prescribed on or after January 1, 2021. 2006. Requiring prescription drug plan sponsors under Medicare to establish drug management programs for at-risk beneficiaries Section 1860D–4(c) of the Social Security Act ( 42 U.S.C. 1395w–104(c) ) is amended— (1) in paragraph (1), by inserting after subparagraph (E) the following new subparagraph: (F) With respect to plan years beginning on or after January 1, 2021, a drug management program for at-risk