83 STAT. ]
PUBLIC LAW 91-172-DEC. 30, 1969
" (2) which is acquired by the taxpayer after April 18, 1969, other than pre-termination property. " (b) PRE-TERMINATION PROPERTY.—For purposes of this section— "(1) BINDING CONTRACTS.—Any property shall be treated as pre-termination property to the extent that such property is constructed, reconstructed, erected, or acquired pursuant to a contract which was, on April 18, 1969, and at all times thereafter, binding on the taxpayer. " (2) EQUIPPED BUILDING RULE.—If—
" (A) pursuant to a plan of the taxpayer in existence on April 18, 1969 (which plan was not substantially modified at any time after such date and before the taxpayer placed the equipped building in service) j the taxpayer has constructed, reconstructed, erected, or acquired a building and the machinery and equipment necessary to the planned use of the building by the taxpayer, and " (B) more than 50 percent of the aggregate adjusted basis of all the property of a character subject to the allowance for depreciation making up such building as so equipped is attributable to either property the construction, reconstruction, or erection of which was begun by the taxpayer before April 19, 1969, or property the acquisition of which by the taxpayer occurred before such date, then all property comprising such building as so equipped (and any incidental property adjacent to such building which is necessary to the planned use of the building) shall be pre-termination property. For purposes of subparagraph (B) of the preceding sentence, the rules of paragraphs (1) and (4) shall be applied. For purposes of this paragraph, a special purpose structure shall be treated as a building. " (3) P L A N T FACILITY RULE. — " (A) GENERAL RULE.—If—
" (i) pursuant to a plan of the taxpayer in existence on April 18, 1969 (which plan was not substantially modified at any time after such date and before the taxpayer placed the plant facility in service), the taxpayer has constructed, reconstructed, or erected a plant facility, and either "(ii) the construction, reconstruction, or erection of such plant facility was commenced by the taxpayer before April 19, 1969, or "(iii) more than 50 percent of the aggregate adjusted basis of all the property of a character subject to the allowance for depreciation making up such plant facility is attributable to either property the construction, reconstruction, or erection of which was begun by the taxpayer before April 19, 1969, or property the acquisition of which by the taxpayer occurred before such date, then all property comprising such plant facility shall be pretermination property. For purposes of clause (iii) of the preceding sentence, the rules of paragraphs (1) and (4) shall be applied. " (B) PLANT FACILITY DEFINED.—For purposes of this paragraph, the term 'plant facility' means a facility which does not include any building (or of which buildings constitute an insignificant portion) and which is— " (i) a self-contained, single operating unit or processing operation,
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