; and (4) require that in order for payment to be available under the Federal Medicaid program or under section 1903(a) for covered outpatient drugs of a manufacturer, the manufacturer must have entered into and have in effect a rebate agreement to provide rebates under section 1927 to the Federal Medicaid program in the same form and manner as the manufacturer is required to provide rebates under an agreement described in section 1927(b) to a State Medicaid program under this title. (e) Transitions (1) From Exchange plans onto Federal Medicaid program The Secretary shall provide for a process under which, in the case of individuals described in section 1902(a)(10)(A)(i)(VIII) who are enrolled in qualified health plans through an Exchange in a coverage gap State, the Secretary takes such steps as are necessary to transition such individuals to coverage under the Federal Medicaid program. Such process shall apply procedures described in section 1943(b)(1)(C) to screen for eligibility and enrollment under the Federal Medicaid program in the same manner as such procedures screen for eligibility and enrollment under qualified health plans through an Exchange established under title I of the Patient Protection and Affordable Care Act. (2) In case coverage gap State begins providing coverage under State plan The Secretary shall provide for a process for, in the case of a coverage gap State in which the State begins to provide medical assistance to individuals described in section 1902(a)(10)(A)(i)(VIII) under the State plan (or waiver of such plan) and the Federal Medicaid program ceases to be offered, transitioning individuals from such program to the State plan (or waiver), as eligible, including a process for transitioning all eligibility redeterminations. (f) Coordination with and enrollment through Exchanges The Secretary shall take such actions as are necessary to provide, in the case of a coverage gap State in which the Federal Medicaid program is offered, for the availability of information on, determinations