; table of contents. TITLE I—Marketplace stability and security Sec. 101. Individual Market Reinsurance Fund. Sec. 102. Public health insurance option. TITLE II—Health care financial assistance Sec. 201. Increase in eligibility for premium assistance tax credits. Sec. 202. Enhancements for reduced cost sharing. TITLE III—Drug Pricing Sec. 301. Requiring drug manufacturers to provide drug rebates for drugs dispensed to low-income individuals. Sec. 302. Negotiation of prices for medicare prescription drugs. Sec. 303. Guaranteed prescription drug benefits. Sec. 304. Full reimbursement for qualified retiree prescription drug plans. TITLE IV—Medicaid collaborative care models Sec. 401. Enhanced FMAP for medical assistance provided through a collaborative care model. I Marketplace stability and security 101. Individual Market Reinsurance Fund (a) Establishment of Fund (1) In general There is established the Individual Market Reinsurance Fund to be administered by the Secretary to provide funding for an individual market stabilization reinsurance program in each State that complies with the requirements of this section. (2) Funding There is appropriated to the Fund, out of any moneys in the Treasury not otherwise appropriated, such sums as are necessary to carry out this section (other than subsection (c)) for each calendar year beginning with 2018. Amounts appropriated to the Fund shall remain available without fiscal or calendar year limitation to carry out this section. (b) Individual Market reinsurance program (1) Use of funds The Secretary shall use amounts in the Fund to establish a reinsurance program under which the Secretary shall make reinsurance payments to health insurance issuers with respect to high-cost individuals enrolled in qualified health plans offered by such issuers that are not grandfathered health plans or transitional health plans for any plan year beginning with the 2018 plan year. This subsection constitutes budget authority in advance of appropriations Acts and represents the obligation of