remain available until expended, for the purposes of awarding and administering grants to States under this subsection. (b) Guidance to support State implementation and operations (1) In general Not later than 18 months after the date of enactment of this Act, the Secretary shall issue detailed guidance to States that addresses common implementation and operational challenges States face in ensuring access to authorized high-quality, timely, accessible care before, during, and after incarceration for individuals who are eligible for medical assistance under a State Medicaid program or child health assistance or pregnancy-related assistance under a State CHIP. (2) Content (A) Compliance with requirements The guidance required under paragraph (1) shall address challenges States face, or are likely to face, in complying with the requirement described in section 1902(a)(84)(A) of the Social Security Act ( 42 U.S.C. 1396a(a)(84)(A) ) that a State shall not terminate eligibility for medical assistance, complying with the requirements of sections 1902(a)(84)(D) and 2102(d) of the Social Security Act ( 42 U.S.C. 1396a(a)(84)(D) , 1397bb(d)), adopting the State plan options described in the subdivision (A) following the last numbered paragraph of section 1905(a) and section 2110(b)(7) of the Social Security Act ( 42 U.S.C. 1396d(a) , 1397jj(b)(7)), and carrying out other activities that are approved by the Secretary to promote continuity of care for individuals who are inmates of a public institution and are eligible for medical assistance under the State Medicaid program or are eligible for child health assistance or pregnancy-related assistance under the State CHIP. (B) Best practices and strategies The guidance required under paragraph (1) shall include best practices and strategies States can use to address implementation and operational challenges related to the requirements described in subparagraph (A), including those related to the following: (i) Implementing modifications to improve eligibility and enrollment