in such beneficiary’s gross income for the last taxable year of such beneficiary. (ii) Special rules (I) Reduction of inclusion for predeath expenses The amount includible in gross income under clause (i) by any person (other than the estate) shall be reduced by the amount of qualified start-up expenditures which were incurred by the decedent before the date of the decedent’s death and paid by such person within 1 year after such date. (II) Deduction for estate taxes An appropriate deduction shall be allowed under section 691(c) to any person (other than the decedent or the decedent’s spouse) with respect to amounts included in gross income under clause (i) by such person. (e) Community property laws This section shall be applied without regard to any community property laws. (f) Custodial accounts For purposes of this section, a custodial account shall be treated as a trust if the assets of such account are held by a bank (as defined in subsection (n)) or another person who demonstrates, to the satisfaction of the Secretary, that the manner in which he will administer the account will be consistent with the requirements of this section, and if the custodial account would, except for the fact that it is not a trust, constitute a small business start-up account described in subsection (a). For purposes of this title, in the case of a custodial account treated as a trust by reason of the preceding sentence, the custodian of such account shall be treated as the trustee thereof. (g) Adjustment for inflation In the case of a taxable year beginning after December 31, 2017, the dollar amount in subsection (b)(1) shall be increased by an amount equal to— (1) such dollar amount, multiplied by (2) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, determined by substituting calendar year 2016 for calendar year 1992 in subparagraph (B) thereof. If any amount as increased under the preceding sentence is not a multiple of $100, such amount shall be rounded