Source: https://www.law.cornell.edu/uscode/text/26/198
Timestamp: 2019-04-22 04:20:47+00:00

Document:
A taxpayer may elect to treat any qualified environmental remediation expenditure which is paid or incurred by the taxpayer as an expense which is not chargeable to capital account. Any expenditure which is so treated shall be allowed as a deduction for the taxable year in which it is paid or incurred.
which is paid or incurred in connection with the abatement or control of hazardous substances at a qualified contaminated site.
Such term shall not include any expenditure for the acquisition of property of a character subject to the allowance for depreciation which is used in connection with the abatement or control of hazardous substances at a qualified contaminated site; except that the portion of the allowance under section 167 for such property which is otherwise allocated to such site shall be treated as a qualified environmental remediation expenditure.
at or on which there has been a release (or threat of release) or disposal of any hazardous substance.
Such term shall not include any site which is on, or proposed for, the national priorities list under section 105(a)(8)(B) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (as in effect on the date of the enactment of this section).
An area shall be treated as a qualified contaminated site with respect to expenditures paid or incurred during any taxable year only if the taxpayer receives a statement from the appropriate agency of the State in which such area is located that such area meets the requirement of paragraph (1)(B).
For purposes of paragraph (3), the chief executive officer of each State may, in consultation with the Administrator of the Environmental Protection Agency, designate the appropriate State environmental agency within 60 days of the date of the enactment of this section. If the chief executive officer of a State has not designated an appropriate environmental agency within such 60-day period, the appropriate environmental agency for such State shall be designated by the Administrator of the Environmental Protection Agency.
any petroleum product (as defined in section 4612(a)(3)).
Such term shall not include any substance with respect to which a removal or remedial action is not permitted under section 104 of such Act by reason of subsection (a)(3) thereof.
such property (if not otherwise section 1245 property) shall be treated as section 1245 property solely for purposes of applying section 1245 to such deduction.
Sections 280B and 468 shall not apply to amounts which are treated as expenses under this section.
This section shall not apply to expenditurespaid or incurred after December 31, 2011.
The date of the enactment of this section, referred to in subsec. (c)(2), (4), is the date of enactment of Pub. L. 105–34, which was approved Aug. 5, 1997.
Sections 101(14), 102, 104, and 105(a)(8)(B) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, referred to in subsecs. (c)(2) and (d), are classified to sections 9601(14), 9602, 9604, and 9605(a)(8)(B), respectively, of Title 42, The Public Health and Welfare.
2010—Subsec. (h). Pub. L. 111–312 substituted “December 31, 2011” for “December 31, 2009”.
2008—Subsec. (h). Pub. L. 110–343 substituted “December 31, 2009” for “December 31, 2007”.
2006—Subsec. (d)(1)(C). Pub. L. 109–432, § 109(b), added subpar. (C).
Subsec. (h). Pub. L. 109–432, § 109(a), substituted “2007” for “2005”.
2004—Subsec. (h). Pub. L. 108–311 substituted “2005” for “2003”.
2000—Subsec. (c). Pub. L. 106–554, § 1(a)(7) [title I, § 162(a)], amended subsec. (c) generally. Prior to amendment, subsec. (c) defined the term “qualified contaminated site” to include certain property described in section 1221(a)(1) of this title, within a targeted area, and at which there had been a release or disposal of any hazardous substance, provided that an area could be treated as a qualified contaminated site only if the taxpayer received a certain statement from an appropriate State agency, provided for designation of appropriate State agencies, and defined targeted area.
Subsec. (h). Pub. L. 106–554, § 1(a)(7) [title I, § 162(b)], substituted “2003” for “2001”.
1999—Subsec. (c)(1)(A)(i). Pub. L. 106–170, § 532(c)(2)(A), substituted “section 1221(a)(1)” for “section 1221(1)”.
Subsec. (h). Pub. L. 106–170, § 511, substituted “2001” for “2000”.
Amendment by section 532(c)(2)(A) of Pub. L. 106–170 applicable to any instrument held, acquired, or entered into, any transaction entered into, and supplies held or acquired on or after Dec. 17, 1999, see section 532(d) of Pub. L. 106–170, set out as a note under section 170 of this title.

References: § 109
 § 109
 § 1
 § 162
 § 1
 § 162
 § 532
 § 511