Louisiana storms and flooding. Sec. 405. Extension of replacement period for nonrecognition of gain for property located in Louisiana storm and flood disaster area. Sec. 406. Special rule for determining earned income. Sec. 407. Secretarial authority to make adjustments regarding taxpayer and dependency status. Sec. 408. Low-income housing credit. Sec. 409. Application of new markets tax credit to investments in community development entities serving Louisiana storm and flood disaster area. Sec. 410. Tax-exempt bond financing. Sec. 411. Expensing for certain demolition and clean-up costs. Sec. 412. Extension of expensing for environmental remediation costs. Sec. 413. Treatment of net operating losses attributable to Louisiana storm and flood disaster area losses. Sec. 414. Increased expensing for qualified timber property. Sec. 415. Disaster loss carryback. Sec. 416. Housing relief for individuals affected by Louisiana storms and flooding. 2. Louisiana Storm and Flood Disaster Area For purposes of this Act— (1) Louisiana Storm and Flood Disaster Area The term Louisiana storm and flood disaster area means an area with respect to which a major disaster has been declared by the President under section 401 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act— (A) before September 3, 2016, by reason of severe storms and flooding occurring in Louisiana during August of 2016, (B) before April 21, 2016, by reason of severe storms and flooding occurring in Louisiana during March and April of 2016, and (C) before February 12, 2017, by reason of tornadoes, storms, and straight line winds occurring in Louisiana on February 7, 2017. (2) Core disaster area The term core disaster area means that portion of the Louisiana storm and flood disaster area determined by the President to warrant individual or individual and public assistance from the Federal Government under such Act. (3) Applicable disaster date The term applicable disaster date means, with respect to any Louisiana storm and flood disaster area, the