1. Short title This Act may be cited as the State Public Option Act . 2. Medicaid buy-in option (a) In general Section 1902 of the Social Security Act ( 42 U.S.C. 1396a ) is amended— (1) in subsection (a)(10)— (A) in subparagraph (A)(ii)— (i) in subclause (XXI), by striking ; or and inserting a semicolon; (ii) in subclause (XXII), by adding or at the end; and (iii) by adding at the end the following new subclause: (XXIII) beginning January 1, 2018, who are residents of the State and are not concurrently enrolled in another health insurance coverage plan, subject, in the case of individuals described in subsection (nn) and notwithstanding section 1916 (except for subsection (k) of such section), to payment of premiums or other cost-sharing charges; ; and (B) in the matter following subparagraph (G), in clause (XV), by inserting or subsection (nn) after described in subparagraph (A)(i)(VIII) ; and (2) by adding at the end the following new subsection: (nn) Previously undescribed individuals Individuals described in this subsection are individuals who are— (1) described in subclause (XXIII) of subsection (a)(10)(A)(ii)