modified adjusted gross income
(4) Modified adjusted gross income (A) In general For purposes of this subsection, the term “modified adjusted gross income” means adjusted gross income (as defined in section 62 of the Internal Revenue Code of 1986)— (i) determined without regard to sections 135, 911, 931, and 933 of such Code; and (ii) increased by the amount of interest received or accrued during the taxable year which is exempt from tax under such Code. In the case of an individual filing a joint return, any reference in this subsection to the modified adjusted gross income of such individual shall be to such return’s modified adjusted gross income. (B) Taxable year to be used in determining modified adjusted gross income (i) In general In applying this subsection for an individual’s premiums in a month in a year, subject to clause (ii) and subparagraph (C), the individual’s modified adjusted gross income shall be such income determined for the individual’s last taxable year beginning in the second calendar year preceding the year involved. (ii) Temporary use of other data If, as of October 15 before a calendar year, the Secretary of the Treasury does not have adequate data for an individual in appropriate electronic form for the taxable year referred to in clause (i), the individual’s modified adjusted gross income shall be determined using the data in such form from the previous taxable year. Except as provided in regulations prescribed by the Commissioner of Social Security in consultation with the Secretary, the preceding sentence shall cease to apply when adequate data in appropriate electronic form are available for the individual for the taxable year referred to in clause (i), and proper adjustments shall be made to the extent that the premium adjustments determined under the preceding sentence were inconsistent with those determined using such taxable year. (iii) Non-filers In the case of individuals with respect to whom the Secretary of the Treasury does not have adequate data in appropriate electronic form for either taxable year referred to in clause (i) or clause (ii), the Commissioner of Social Security, in consultation with the Secretary, shall prescribe regulations which provide for the treatment of the premium adjustment with respect to such individual under this subsection, including regulations which provide for— (I) the application of the highest applicable percentage under paragraph (3)(C) to such individual if the Commissioner has information which indicates that such individual’s modified adjusted gross income might exceed the threshold amount for the taxable year referred to in clause (i), and (II) proper adjustments in the case of the application of an applicable percentage under subclause (I) to such individual which is inconsistent with such individual’s modified adjusted gross income for such taxable year. (C) Use of more recent taxable year (i) In general The Commissioner of Social Security in consultation with the Secretary of the Treasury shall establish a procedures under which an individual’s modified adjusted gross income shall, at the request of such individual, be determined under this subsection— (I) for a more recent taxable year than the taxable year otherwise used under subparagraph (B), or (II) by such methodology as the Commissioner, in consultation with such Secretary, determines to be appropriate, which may include a methodology for aggregating or disaggregating information from tax returns in the case of marriage or divorce. (ii) Standard for granting requests A request under clause (i)(I) to use a more recent taxable year may be granted only if— (I) the individual furnishes to such Commissioner with respect to such year such documentation, such as a copy of a filed Federal income tax return or an equivalent document, as the Commissioner specifies for purposes of determining the premium adjustment (if any) under this subsection; and (II) the individual’s modified adjusted gross income for such year is significantly less than such income for the taxable year determined under subparagraph (B) by reason of the death of such individual’s spouse, the marriage or divorce of such individual, or other major life changing events specified in regulations prescribed by the Commissioner in consultation with the Secretary.