by the taxpayer for such year from the involuntary conversion by reason of the storms and flooding giving rise to the Presidential declaration described in section 2(1) of property located in the Louisiana storm and flood disaster area. (3) Coordination with general disaster loss rules Section 165(i) of such Code shall not apply to any qualified Louisiana storm and flood disaster area casualty loss to the extent such loss is taken into account under this subsection. (4) Special rules For purposes of paragraph (1), rules similar to the rules of paragraphs (2) and (3) of section 172(i) of such Code shall apply with respect to such portion. 414. Increased expensing for qualified timber property (a) In general In the case of qualified timber property any portion of which is located in the Louisiana storm and flood disaster area, the limitation under subparagraph (B) of section 194(b)(1) of such Code shall be increased by the lesser of— (1) the limitation which would (but for this section) apply under such subparagraph, or (2) the amount of reforestation expenditures (as defined in section 194(c)(3) of such Code) paid or incurred by the taxpayer with respect to such qualified timber property during the specified portion of the taxable year. (b) Definitions For purposes of this subsection— (1) Specified portion The term specified portion means that portion of the taxable year which is on or after the applicable disaster date, and before January 1, 2019. (2) Qualified timber property The term qualified timber property has the meaning given such term in section 194(c)(1) of such Code. 415. Disaster loss carryback (a) In general In the case of a loss occurring in the Louisiana storm and flood disaster area and attributable to the severe storms and flooding giving rise to the Presidential declaration described in section 2(1), at the election of the taxpayer, section 165(i)(1) of the Internal Revenue Code of 1986 shall be applied by substituting any of the 3 taxable years preceding for the taxable year immediately