(Added Pub. L. 94-455, title XXI, Sec. 2124(b)(1), Oct. 4, 1976, 90
Stat. 1918; amended Pub. L. 95-600, title VII, Sec. 701(f)(5), Nov.
6, 1978, 92 Stat. 2902; Pub. L. 96-541, Sec. 2(b), Dec. 17, 1980,
94 Stat. 3204; Pub. L. 97-34, title II, Sec. 212(d)(2)(C), Aug. 13,
1981, 95 Stat. 239; Pub. L. 98-369, div. A, title X, Sec. 1063(a),
(b)(1), July 18, 1984, 98 Stat. 1047.)
1984 - Pub. L. 98-369 struck out "certain historic" before
"structures" in section catchline, struck out heading "(a) General
rule", substituted "In the case of the demolition of any structure"
for "In the case of the demolition of a certified historic
structure (as defined in 48(g)(3)(A))" in text, and struck out
subsecs. (b) and (c) which contained provisions relating to a
special rule for registered historic districts and to the
application of this section, respectively.
1981 - Subsec. (a). Pub. L. 97-34, Sec. 212(d)(2)(C)(i),
substituted "48(g)(3)(A)" for "section 191(d)(1)" in provisions
preceding par. (1).
Subsec. (b). Pub. L. 97-34, Sec. 212(d)(2)(C)(ii), substituted
"section 48(g)(3)(B)" for "section 191(d)(2)".
1980 - Subsec. (c). Pub. L. 96-541 added subsec. (c).
1978 - Subsec. (b). Pub. L. 95-600 substituted "registered
historic district (as defined in section 191(d)(2))" for
"Registered Historic District" and "Secretary of the Interior has
certified that such structure is not a certified historic
structure, and that such structure is not of historic significance
to the district, and if such certification occurs after the
beginning of the demolition of such structure, the taxpayer has
certified to the Secretary that, at the time of such demolition, he
in good faith was not aware of the certification requirement by the
Secretary of the Interior" for "Secretary of the Interior has
certified, prior to the demolition of such structure, that such
structure is not of historic significance to the district".
EFFECTIVE DATE OF 1984 AMENDMENT
Section 1063(c) of Pub. L. 98-369, as amended by Pub. L. 99-514,
title XVIII, Sec. 1878(h), Oct. 22, 1986, 100 Stat. 2904, provided
"(1) The amendments made by this section [amending this section]
shall apply to taxable years ending after December 31, 1983, but
shall not apply to any demolition (other than of a certified
historic structure) commencing before July 19, 1984.
"(2) For purposes of paragraph (1), if a demolition is delayed
until the completion of the replacement structure on the same site,
the demolition shall be treated as commencing when construction of
the replacement structure commences.
"(3) The amendments made by this section [amending this section]
shall not apply to any demolition commencing before September 1,
1984, pursuant to a bank headquarters building project if -
"(A) on April 1, 1984, a corporation was retained to advise the
bank on the final completion of the project, and
"(B) on June 12, 1984, the Comptroller of the Currency approved
"(4) The amendments made by this section shall not apply to the
remaining adjusted basis at the time of demolition of any structure
"(A) such structure was used in the manufacture, storage, or
distribution of lead alkyl antiknock products and intermediate
and related products at facilities located in or near Baton
Rouge, Louisiana, and Houston, Texas, owned by the same
"(B) demolition of at least one such structure at the Baton
Rouge facility commenced before January 1, 1984."
EFFECTIVE DATE OF 1981 AMENDMENT
Amendment by Pub. L. 97-34 applicable to expenditures incurred
after Dec. 31, 1981, in taxable years ending after such date, see
section 212(e) of Pub. L. 97-34, set out as a note under section 46
of this title.
EFFECTIVE DATE OF 1978 AMENDMENT
Amendment by Pub. L. 95-600 effective as if included within the
enactment of this section by section 2124 of Pub. L. 94-455, see
section 701(f)(8) of Pub. L. 95-600, set out as an Effective and
Termination Dates of 1978 Amendments note under section 167 of this
Section 2124(b)(3) of Pub. L. 94-455, which had provided that
enactment of this section by subsec. (b) shall apply with respect
to demolitions commencing after June 30, 1976, and before Jan. 1,
1981, was repealed by Pub. L. 96-541, Sec. 2(e)(2), Dec. 17, 1980,
94 Stat. 3205. See subsec. (c) of this section.