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PUBLIC LAW 9—MAR. 23, 1951
[65 STAT.
(5) any contract or subcontract with an organization exempt from taxation under section 101(6) of the Internal Revenue ^j3 Stat. 33; 64 Stat. Codc, but ouly if the income from such contract or subcontract 26 U.S.C. Sup. IV, is not includible under section 422 of such code in computing the §j 101 (6), 422. unrelated business net income of such organization; or (6) any contract which the Board determines does not have a direct and immediate connection with the national defense. The Board shall prescribe regulations designating those classes and types of contracts which shall be exempt under this paragraph; and the Board shall, in accordance with regulations prescribed by it, exempt any individual contract not falling within any such class or type if it determines that such contract does not have a direct and immediate connection with the national defense. Not'^•^ P- 21 withstanding section 108 of this title, regulations prescribed by the Board under this paragraph, and any determination of the Board that a contract is or is not exempt under this paragraph, shall not be reviewed or redetermined by the Tax Court or by any other court or agency; or (7) any subcontract directly or indirectly under a contract or subcontract to which this title does not apply by reason of this subsection. (b) COST ALLOWANCE.—In the case of a contractor or subcontractor who produces or acquires the product of a mine, oil or gas well, or other mineral or natural deposit, or timber, and processes, refines, or treats such a product to and beyond the first form or state suitable for industrial use, or who produces or acquires an agricultural product and processes, refines, or treats such a product to and beyond the first form or state in which it is customarily sold or in which it has an established market, the Board shall prescribe such regulations as may be necessary to give such contractor or subcontractor a cost allowance substantially equivalent to the amount which would have been realized by such contractor or subcontractor if he had sold such product at such first form or state. Notwithstanding any other provisions of this title, there shall be excluded from, consideration in determining whether or not a contractor or subcontractor has received or accrued excessive profits that portion of the profits, derived from receipts and accruals subject to the provisions of this title, attributable to the "Exoessinventory." increment in value of the excess inventory. For the purposes of this subsection the term "excess inventory" means inventory of products, hereinbefore described in this subsection, acquired by the contractor or subcontractor in the form or at the state in which contracts for such products on hand or on contract would be exempted from this title by subsection (a)(2) or (3) of this section, which is in excess of the inventory reasonably necessary to fulfill existing contracts or orders. That portion of the profits, derived from receipts and accruals subject to the provisions of this title, attributable to the increment in value of the excess inventory, and the method of excluding such portion of profits from consideration in determining whether or not the contractor or subcontractor has received or accrued excessive profits, shall be determined in accordance with regulations prescribed by the Board. (c) PARTIAL MANDATORY EXEMPTION FOR DURABLE PRODUCTIVE EQUIPMENT.—
(1) IN GENERAL.—The provisions of this title shall not apply to receipts or accruals (other than rents) from subcontracts for new durable productive equipment, except to that part of such
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