contributions. (2) Treatment of excess contributions For purposes of section 170 of the Internal Revenue Code of 1986— (A) Individuals In the case of an individual— (i) Limitation Any qualified contribution shall be allowed only to the extent that the aggregate of such contributions does not exceed the excess of the taxpayer’s contribution base (as defined in subparagraph (H) of section 170(b)(1) of such Code) over the amount of all other charitable contributions allowed under section 170(b)(1) of such Code. (ii) Carryover If the aggregate amount of qualified contributions made in the contribution year (within the meaning of section 170(d)(1) of such Code) exceeds the limitation of clause (i), such excess shall be added to the excess described in the portion of subparagraph (A) of such section which precedes clause (i) thereof for purposes of applying such section. (B) Corporations In the case of a corporation— (i) Limitation Any qualified contribution shall be allowed only to the extent that the aggregate of such contributions does not exceed the excess of the taxpayer’s taxable income (as determined under paragraph (2) of section 170(b) of such Code) over the amount of all other charitable contributions allowed under such paragraph. (ii) Carryover Rules similar to the rules of subparagraph (A)(ii) shall apply for purposes of this subparagraph. (3) Qualified contributions (A) In general For purposes of this subsection, the term qualified contribution means any charitable contribution (as defined in section 170(c) of the Internal Revenue Code of 1986) if— (i) such contribution— (I) is made for relief efforts in one or more qualified disaster areas, and (II) is paid during the period beginning on the first day of the incident period for any such disaster, and ending on December 31 of the year in which such incident period begins, in cash to an organization described in section 170(b)(1)(A) of such Code, (ii) the taxpayer obtains from such organization contemporaneous written acknowledgment (within the meaning of