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 section 170(b)(1)(G)(ii). (B) Corporations In the case of a corporation— (i) Limitation Any qualified contribution shall be allowed as a deduction 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 If the aggregate amount of qualified contributions made in the contribution year (within the meaning of section 170(d)(2) of such Code) exceeds the limitation of clause (i), such excess shall be appropriately taken into account under section 170(d)(2) subject to the limitations thereof. (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 paid, during the period beginning on January 1, 2018, and ending on the date which is 60 days after the date of the enactment of this Act, in cash to an organization described in section 170(b)(1)(A) of such Code, and (II) is made for relief efforts in one or more qualified disaster areas, (ii) the taxpayer obtains from such organization contemporaneous written acknowledgment (within the meaning of section 170(f)(8) of such Code) that such contribution was used (or is to be used) for relief efforts described in clause (i)(II), and (iii) the taxpayer has elected the application of this subsection with respect to such contribution. (B) Exception Such term shall not include a contribution by a donor if the contribution is— (i) to an organization described in section 509(a)(3) of the Internal Revenue Code of 1986, or