; and (ii) has not previously been altered, improved, replaced, or repaired using assistance provided under this subsection. (5) Treatment of coverage limits Any amount of coverage provided for a property pursuant to this subsection shall not be considered or counted for purposes of any limitation on coverage applicable to such property under section 1306(b) and any claim on such coverage shall not be considered a claim for purposes of section 1307(h) or subsection (a)(3) or (h)(3) of section 1366. (6) Implementation Notwithstanding any other provision of law, the Administrator may implement this subsection by adopting 1 or more standard endorsements to the Standard Flood Insurance Policy by publication of such standards in the Federal Register, or by comparable means. . 203. Flood mitigation assistance grants (a) Flood Mitigation Assistance Grant Program priority Section 1366 of the National Flood Insurance Act ( 42 U.S.C. 4104c ) is amended— (1) in subsection (a)— (A) by redesignating paragraphs (1), (2), and (3) as subparagraphs (A), (B), and (C), respectively, and adjusting the margins accordingly; (B) in the second sentence of the matter preceding subparagraph (A), as so redesignated, by striking assistance shall be and inserting the following: assistance shall— (1) be ; (C) in paragraph (1)(C), as so redesignated, by striking the period at the end and inserting ; and ; and (D) by adding at the end the following: (2) in addition to the requirement under paragraph (1)(C), give priority to properties— (A) that are repetitive loss structures; (B) with respect to which the Administrator makes a determination that the premium rates with respect to a policy for flood insurance coverage under this title— (i) are unaffordable; or (ii) will soon become unaffordable as a result of a risk adjustment under Risk Rating 2.0, as in effect on the date of that determination; and (C) for which aggregate losses exceed the replacement value of the properties.