multiplied by (B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which such taxable year begins determined by substituting calendar year 2017 for calendar year 1992 in subparagraph (B) thereof. (2) Rounding If any increase under paragraph (1) is not a multiple of $50, such increase shall be rounded to the nearest multiple of $50. (h) Special rules (1) Denial of deduction to dependents No deduction shall be allowed under this section to any individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which such individual's taxable year begins. (2) Taxable year must be full taxable year Except in the case of a taxable year closed by reason of the death of the taxpayer, no deduction shall be allowed under this section in the case of a taxable year covering a period of less than 12 months. (3) Certain rules to apply Rules similar to the following rules shall apply for purposes of this section: (A) Section 219(d)(2) (relating to no deduction for rollovers). (B) Section 219(f)(3) (relating to time when contributions deemed made). (C) Section 219(f)(5) (relating to employer payments). (D) Section 408(g) (relating to community property laws). (E) Section 408(h) (relating to custodial accounts). (F) Section 223(f)(7) (relating to transfer of account incident to divorce). (G) Section 223(f)(8) (relating to treatment after death of account beneficiary). (4) Coordination with casualty loss deduction No deduction shall be allowed under section 165 for a loss for which a disaster recovery expense payment is made from a disaster savings account. (i) Reports The Secretary may require the trustee of a disaster savings account to make such reports regarding such account to the Secretary and to the account beneficiary with respect to contributions, distributions, the return of excess contributions, and such other matters as the Secretary determines appropriate. . (b) Deduction allowed whether or not