(B) of section 36B(c)(2) of the Internal Revenue Code of 1986 is amended by inserting before the period at the end the following: or eligibility for coverage under a Medicaid buy-in plan (as defined in section 2(c) of the Health Care Choice and Affordability Act) . (3) Individual mandate Clause (ii) of section 5000A(f)(1)(A) of the Internal Revenue Code of 1986 is amended by inserting before the comma the following: including under a Medicaid buy-in plan (as defined in section 2(c) of the Health Care Choice and Affordability Act) . (4) Advance payment of credit (A) In general Advance determinations and payments of premium tax credits allowable under section 36B of the Internal Revenue Code of 1986 with respect to an individual enrolled in a Medicaid buy-in plan shall be allowed, subject to rules similar to the rules in section 1412 of the Patient Protection and Affordable Care Act (applied without regard to whether such plan is a qualified health plan). (B) Coordination with credit Section 36B(f) is amended by adding at the end the following new paragraph: (4) Medicaid buy-in plans For purposes of this subsection, advance payments under section 2(b)(4)(A) of the Health Care Choice and Affordability Act shall be treated as advance payments under section 1412 of the Patient Protection and Affordable Care Act. . (5) Conforming amendment relating to employer responsibility Section 4980H(c)(6) of the Internal Revenue Code of 1986 is amended by inserting , except that for purposes of subsections (a)(2) and (b)(1)(B), the term qualified health plan shall include a Medicaid buy-in plan (as defined in section 2(c) of the Health Care Choice and Affordability Act after such Act . (c) Definitions In this section: (1) Eligible individual The term eligible individual means an individual who will have access to only qualified health plans issued by one health insurance issuer (as defined in section 2791 of the Public Health Service Act ( 42 U.S.C. 300gg–91 )) or will have access to no qualified health plans with respect to a