; and (B) no more applicable individuals than necessary to obtain a statistically valid sample. . (b) Model requirement waivers for hardship Section 1115A(a) of the Social Security Act ( 42 U.S.C. 1315a(a) ), as amended by subsection (a), is further amended by adding at the end the following new paragraph: (7) Hardship waivers Not later than 60 days after the date of the enactment of the Strengthening Innovation in Medicare and Medicaid Act, the Secretary shall develop and implement a plan to allow providers of services and suppliers to request a waiver from any requirement of a model if the Secretary determines that such requirement would result in undue economic hardship to such provider or supplier or loss of access to such provider or supplier for vulnerable populations. . (c) Monitoring impact Section 1115A(a) of the Social Security Act ( 42 U.S.C. 1315a(a) ), as amended by subsections (a) and (b), is further amended by adding at the end the following new paragraph: (8) Monitoring impact Not later than 60 days after the date of the enactment of the Strengthening Innovation in Medicare and Medicaid Act, the Secretary shall develop and implement a plan to— (A) monitor continuously and on a real-time basis the effect of a model under subsection (b) on applicable individuals, and mitigate any adverse impact, such as inappropriate reductions in care or reduced access to care; (B) assess and track the impact of delivery and payment models on health disparities, using existing measures such as the National Quality Forum Healthcare Disparities and Cultural Competency Measure