1. Short title This Act may be cited as the Net Operating Loss Clarification Act of 2019 . 2. Technical amendments relating to the net operating loss deduction (a) Clarification of effective date of net operating loss rules Section 13302(e) of Public Law 115–97 is amended— (1) by striking all that follows shall apply to in paragraph (1) and inserting taxable years to which losses arising in taxable years beginning after December 31, 2017, may be carried. , and (2) by striking ending in paragraph (2) and inserting beginning . (b) Clarification of net operating loss carryback for farming losses and certain insurance companies Section 172(b)(1)(A) of the Internal Revenue Code of 1986 is amended to read as follows: (A) General rule A net operating loss for any taxable year— (i) shall be a net operating loss carryback to the extent provided in subparagraphs (B) and (C)(i), and (ii) except as provided in subparagraph (C)(ii), shall be a net operating loss carryover— (I) in the case of a net operating loss arising in a taxable year beginning before January 1, 2018, to each of the 20 taxable years following the taxable year of the loss, and (II) in the case of a net operating loss arising in a taxable year beginning after December 31, 2017, to each taxable year following the taxable year of the loss. . (c) Clarification of determination of taxable income Section 172(a)(2) of the Internal Revenue Code of 1986 is amended by striking deduction allowable under this section and inserting deductions allowable under this section and sections 199A and 250 . (d) Clarification of order and method of net operating loss calculation (1) In general Section 172 of the Internal Revenue Code of 1986 is amended by redesignating subsection (g) as subsection (h) and by inserting after subsection (f) the following new subsection: (g) Special rule for losses from taxable years beginning before January 1, 2018 In the case of a taxable year (hereafter in this subsection referred to as the current year ) to which is carried a net operating loss