Act (or section 212(a) of Public Law 93–66 ), each individual who receives a covered supplemental payment for any month during the period described in subsection (a)(1) and is subsequently determined to be ineligible for such payment shall be deemed to be a recipient of supplemental security income benefits under title XVI or State supplementary benefits of the type referred to in section 1616(a) of such Act (or payments of the type described in section 212(a) of Public Law 93–66 ), as the case may be, for such month for purposes of determining the individual’s eligibility for medical assistance under a State plan approved under title XIX of the Social Security Act ( 42 U.S.C. 1396 et seq.) (or a waiver of such plan). (2) Covered supplemental payment For purposes of this subsection, a covered supplemental payment is— (A) a payment of a supplemental security income benefit under title XVI of the Social Security Act