PUBLIC LAWS-CH. 619-OCT. 21, 1942 Ante, p. 936. Ante, p. 936 . 54 Stat. 975. 281.S.C.i710; Supp. I, § 710. Ante, pp. 899-902, 917, 931. chapter on the basis of which such tax (in respect of which the internal revenue refund or credit was made) was previously computed and paid, over the tax imposed by this subchapter as determined in con- nection with the determination of the amount of the overpayment. In such a case, if such credit provided in section 780 (a) is less than the amount by which it is required to be reduced, or if there is no such credit then existing in favor of the taxpayer, the excess of such amount over the amount of such credit, if any, shall be carried forward as a charge against the taxpayer to be applied in reduction of a subse- quent credit under section 780 (a); and if no such subsequent credit is made in favor of the taxpayer, the amount of such charge (without interest) shall be paid by the taxpayer to the United States or the amount of bonds previously issued to the taxpayer under section 780 (b) shall be adjusted on account of such charge. "(c) TAX PAYMENTS AFTER CUT-OFF DATE. - In the case of a pay- ment of the tax imposed by this subchapter shown on the return for any taxable year for which a credit is provided in section 780 (a), or the payment of a deficiency in respect of such tax for any such taxable year, after the date prescribed in section 780 (b) or 781 (a) but before the date of maturity of the bonds with respect to such taxable year under section 780 (c), the amount of the credit under section 780- (a) for such taxable year, attributable to such payment shall, so far as practicable, be available, as provided in section 780 (b), for the purchase of bonds as provided under such section, and, so far as practicable, there shall be issued to the taxpayer bonds under such section with the same maturity as bonds issued with respect to such taxable year. To the extent that it is not practicable to issue bonds against such amount of the credit, the taxpayer shall be paid in cash. In case after the date of maturity of the bonds of any taxable year under section 780 (c) there is any credit under section 780 (a) remaining in favor of the taxpayer, attributable to such year, 4uch remainder shall be paid to the taxpayer in cash. No amount of any payment made under this subsection to a taxpayer shall be included in gross income. "(d) LIMITATION.-T he credit under section 780 (a) for any tax- able year shall not be greater than the excess of the amount of the tax paid under this subchapter to the United States (and not credited or refunded under the internal revenue laws) in respect of such year over the amount of tax which would be payable to the United States if the excess profits tax rate were 81 per centum, or if the limitation of section 710 is applicable if the amount determined under such section were reduced by 10 per centum. "SEC. 782. REGULATIONS. "The Secretary of the Treasury is authorized to prescribe, from time to time, such rules and regulations as may be necessary to carry out the preceding provisions of this Part. "SEC. 783. CREDIT FOR DEBT RETIREMENT. "(a) GENERAL RULE. - An amount equal to 40 per centum of the amounts paid during the taxable year in repayment of the principal of indebtedness shall, at the election of the taxpayer made in its return for such year, be allowed as a credit against the tax for such year imposed by this subchapter. "(b) LIMITATIONS.-The credit under subsection (a) with respect to any taxable year shall in no event exceed whichever of the fol- lowing amounts is the lesser-- "(1) An amount equal to 10 per centum of the tax imposed under this subchapter forthetheaxable year. 938 [56 STAT.
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