; multiplied by (B) the premium adjustment percentage specified under section 1302(c)(4) of the Affordable Care Act, but determined by substituting 2018 for 2013 . (4) Payment methods (A) In general Payments under this subsection shall be based on such a method as the Secretary determines. The Secretary may establish a payment method by which interim payments of amounts under this subsection are made during a plan year based on the Secretary's best estimate of amounts that will be payable after obtaining all of the information. (B) Requirement for provision of information (i) Requirement Payments under this subsection to a health insurance issuer are conditioned upon the furnishing to the Secretary, in a form and manner specified by the Secretary, of such information as may be required to carry out this subsection. (ii) Restriction on use of information Information disclosed or obtained pursuant to clause (i) is subject to the HIPAA privacy and security law, as defined in section 3009(a) of the Public Health Service Act ( 42 U.S.C. 300jj–19(a) ). (5) Secretary flexibility for budget neutral revisions to reinsurance payment specifications If the Secretary determines appropriate, the Secretary may substitute higher dollar amounts for the dollar amounts specified under subparagraphs (A) and (B) of paragraph (2) (and adjusted under paragraph (3), if applicable) if the Secretary certifies that such substitutions, considered together, neither increase nor decease the total projected payments under this subsection. (c) Outreach and enrollment (1) In general During the period that begins on January 1, 2018, and ends on December 31, 2020, the Secretary shall award grants to eligible entities for the following purposes: (A) Outreach and enrollment To carry out outreach, public education activities, and enrollment activities to raise awareness of the availability of, and encourage enrollment in, qualified health plans. (B) Assisting individuals transition to qualified health plans To provide assistance to individuals who