The Federal Water Pollution Control Act, as amended (33 U.S.C. 466 et seq.), referred to in subsec. (d)(1)(B), is act June 30, 1948, ch. 758, as amended generally by Pub. L. 92–500, § 2, Oct. 18, 1972, 86 Stat. 816, which is classified generally to chapter 26 (§ 1251 et seq.) of Title 33, Navigation and Navigable Waters. The subject matter of section 13(a) of the act, referred to in subsec. (d)(2), is covered by section 1362(1) of Title 33. For complete classification of this Act to the Code, see Short Title note set out under section 1251 of Title 33 and Tables.

The Clean Air Act, referred to in subsec. (d)(1)(B), is act July 14, 1955, ch. 360, 69 Stat. 322, which is classified generally to chapter 85 (§ 7401 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under section 7401 of Title 42 and Tables.

Section 302(b) of the Clean Air Act, referred to in subsec. (d)(2), formerly classified to section 1857h(b) of Title 42, was reclassified to section 7602(b) of Title 42 on enactment of Pub. L. 95–95.

A prior section 169, act Aug. 16, 1954, ch. 736, 68A Stat. 55, related to amortization of grain-storage facilities, prior to the reorganization of part VI of subchapter B of chapter 1 of this title by Pub. L. 91–172.

2018—Subsec. (d)(5)(B). Pub. L. 115–141 inserted “a” before “facility”.

2005—Subsec. (d). Pub. L. 109–58, § 1309(c), inserted “and special rules” after “Definitions” in heading.

Subsec. (d)(3). Pub. L. 109–58, § 1309(d), substituted “Health and Human Services” for “Health, Education, and Welfare”.

Subsec. (d)(4)(B). Pub. L. 109–58, § 1309(b), amended heading and text of subpar. (B) generally. Prior to amendment, text read as follows: “In the case of any treatment facility used in connection with any plant or other property not in operation before January 1, 1969, the preceding sentence shall be applied by substituting December 31, 1975, for December 31, 1968.”

Subsec. (d)(5). Pub. L. 109–58, § 1309(a), added par. (5).

Subsec. (d)(5)(B). Pub. L. 109–135 inserted “in the case of facility placed in service in connection with a plant or other property placed in operation after December 31, 1975,” before “this section”.

1976—Subsecs. (b), (c). Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.

Subsec. (d)(1). Pub. L. 94–455, §§ 1906(b)(13)(A), 2112(b), substituted in provisions preceding subpar. (A) “January 1, 1976,” for “January 1, 1969,” and “storing, or preventing the creation or emission of” for “or storing”, struck out in subpar. (B) “or his delegate” after “Secretary”, and added subpar. (C).

Subsec. (d)(4). Pub. L. 94–455, § 2112(c), among other changes, struck out provisions relating to treatment facilities placed in service by taxpayer before Jan. 1, 1976, and inserted provisions that in case of treatment facilities used in connection with any plan or other property not in operation before Jan. 1, 1969, Dec. 31, 1975, shall be substituted for Dec. 31, 1968, as the cut-off date for taking into account that portion of the basis which is attributable to construction, reconstruction, or erection.

1975—Subsec. (d)(4)(B). Pub. L. 93–625 substituted “January 1, 1976” for “January 1, 1975”.

1971—Subsec. (h). Pub. L. 92–178 struck out provision that investment credit not be allowed. See section 48(a)(8) of this title.

Amendment by Pub. L. 109–135 effective as if included in the provision of the Energy Policy Act of 2005, Pub. L. 109–58, to which such amendment relates, see section 402(m)(1) of Pub. L. 109–135, set out as an Effective and Termination Dates of 2005 Amendments note under section 23 of this title.

Pub. L. 109–58, title XIII, § 1309(e), Aug. 8, 2005, 119 Stat. 1007, provided that: “The amendments made by this section [amending this section] shall apply to facilities placed in service after April 11, 2005.”

Pub. L. 94–455, title XXI, § 2112(d)(2), Oct. 4, 1976, 90 Stat. 1907, as amended by Pub. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that: “The amendments made by subsection (b) [amending this section] shall apply to taxable years beginning after December 31, 1975. Such amendments shall not apply in the case of any property with respect to which the amortization period under section 169 of the Internal Revenue Code of 1986 [formerly I.R.C. 1954] has begun before January 1, 1976.”

Pub. L. 91–172, title VII, § 704(c), Dec. 30, 1969, 83 Stat. 670, provided that: “The amendments made by this section [enacting this section and amending sections 642, 1082, 1245, and 1250 of this title] shall apply with respect to taxable years ending after December 31, 1968.”

Functions vested in Secretary of the Interior and Secretary of Health, Education, and Welfare by subsec. (d)(1)(B), (3) of this section transferred to Administrator of Environmental Protection Agency by Reorg. Plan No. 3, of 1970, § 2(a)(9), eff. Dec. 2, 1970, 35 F.R. 15623, 84 Stat. 2086, set out in the Appendix to Title 5, Government Organization and Employees.