opinion: Mr. Justice Black
  delivered the opinion of the Court.
  This is a suit for tax refund which the District Court allowed. 62 F. Supp. 338. The Circuit Court of Appeals affirmed. 155 F. 2d 577. We granted certiorari because of an apparent conflict with Century Electric Co. v. Commissioner, 144 F. 2d 983.
  The respondent, Ogilvie Hardware Co., Inc., was incorporated in Louisiana in 1907 with a paid-in capital of $100,000. In 1924 it increased its capitalization to $200,000 by declaration of a $100,000 stock dividend out of past earnings. Depressed business conditions during the 1930’s brought heavy operating losses so that by 1937 the company’s assets were about $71,000 less than the $200,000 capitalization. The company books accordingly showed a deficit in this amount. By 1938 this deficit was reduced to about $61,000. In this financial posture the corporation could not declare dividends without impairing its then capital structure (which included capitalization of the $100,000 stock dividend) and Louisiana law prohibited payment of a dividend under such circumstances. Section 14 of the governing Revenue Act of 1936 imposed a surtax on certain corporate net income earned during the tax year but not distributed as dividends. It provided no exemption from that surtax because a corporation had an accumulated deficit at the beginning of the tax year, or because state law prohibited payments of dividends.
  Acting under this 1936 law, the Commissioner, on examination of respondent’s 1937 and 1938 tax returns, determined that respondent was subject to the undistributed profits tax, despite the deficit and the state prohibition against payment of dividends. The Commissioner’s interpretation and application of the 1936 Act was in accord with our holding in Helvering v. Northwest Steel Rolling Mills, 311 U. S. 46, and Crane-Johnson Co. v. Helvering, 311 U. S. 54. The taxpayers in those cases claimed exemption from the surtax on the ground that they could not distribute dividends “without violating a provision of a written contract executed by the corporation prior to May 1, 1936, which provision expressly deals with the payment of dividends.” Section 26 (c) (1) of the 1936 Act relieved corporations from the tax if such contracts existed. 49 Stat. 1648, 1664. The question we had to decide in those cases was whether a state constitution, corporate charter, or state statute, which prohibited payment of dividends, was a “written contract” within the meaning of the § 26 (c) (1) exemption provision. We held that we could not so expand the provision’s language, relying in part upon previous statements of this Court “that provisions granting special tax exemptions are to be strictly construed.” Helvering v. Northwest Steel Rolling Mills, supra, 49. Since the respondent here had no “written contract” against payment of dividends, it had no exemption from the surtax imposed by the original 1936 Act.
  But this suit is not brought to determine the company’s tax liability under the 1936 Act as it stood in the taxable years 1937 and 1938. It is an action for a refund under a 1942 relief amendment to the 1936 Act specifically designed to authorize corporations to obtain repayments of taxes they had been forced to pay under the 1936 Act as we had interpreted it. That amendment, as enacted, provided for complete or partial retroactive immunity from the 1936 undistributed profits tax under the following circumstances:
  “Deficit corporations.—In the ease of a corporation having a deficit in accumulated earnings and profits as of the close of the preceding taxable year, the amount of such deficit, if the corporation is prohibited by a provision of a law or of an order of a public regulatory body from paying dividends during the existence of a deficit in accumulated earnings and profits, and if such provision was in effect prior to May 1, 1936.” § 501 (a) (3), Revenue Act of 1942, 56 Stat. 798, 954.
  This amendment was designed to grant corporations a refund on account of payments of undistributed profits taxes for tax years in which they had an accumulated deficit, and where, for that reason, state law, federal law, or public regulatory orders of either prohibited distribution of dividends. It therefore authorized refunds to the very taxpayers who had been lawfully required to pay taxes by the 1936 Act as we had interpreted it in the two cases cited above. Furthermore, in order to make sure that taxpayers who had paid under our interpretation might recover refunds, § 501 (c) of the same amendment specifically authorized claims for repayment to be filed within one year after its passage, without regard to any statute of limitations or other designated statutory bars. 56 Stat. 798, 955.
  The Government’s contention is that we should construe the word “deficit” and the phrase “accumulated earnings and profits” according to their established meaning under federal tax law; that so construed the $100,000 allotted for stock dividends remained a part of earnings and profits for tax purposes; therefore, there was no deficit in the federal tax sense, and consequently the tax payments should not have been refunded here despite the state prohibition against distribution. We may assume that the Government is correct in contending that if Congress intended in the 1942 amendment to use the words “deficit” and “earnings and profits” in this federal tax sense, the stock dividend did not reduce “earnings,” there was no “deficit,” and the refund should be denied. See § 115, Revenue Act of 1936, 49 Stat. 1648, 1687-1689; Commissioner v. Bedford, 325 U. S. 283, 292. This construction would greatly limit the scope of the relief granted by the 1942 amendment. To determine whether Congress intended so to limit the relief it granted, we must look to the whole 1942 amendment in its relationship to the 1936 Act and the legislative and judicial history intervening between the two.
  The 1936 undistributed profits tax law was a novelty in the field of federal taxation. Its chief novel feature was that it was designed to compel corporations to distribute current earnings to shareholders by imposing a surtax on corporations which failed to make such distributions. It had detailed provisions for defining the net income which would be reached by this tax. Its application, therefore, raised new and sometimes wholly unexpected problems. Widespread opposition developed to the tax. Since 1938, only a token of it has survived. See Revenue Act of 1938, 52 Stat. 447. But even after the 1936 undistributed profits tax was no longer in effect, complaints about its prior application from corporations which had been required to pay an undistributed profits tax continued to reach and to concern Congress. Representatives of these corporations appeared before the House and Senate Committees in 1942, and Congress responded to their complaints by enacting the several provisions of § 501—the retroactive relief legislation now under consideration.
  One subject of complaint was that under the income tax definitions only a fraction of capital losses was deductible from taxable net income. Corporations which had suffered large capital losses in a given year were required to pay undistributed profits taxes in that year as though they had made a profit. The 1942 amendment, as reported by the House Committee, met this complaint by recommending that refunds be authorized for corporations who had paid under this 1936 definition of net income. This authorization, subsequently approved by the Senate Committee, clearly shows that Congress intended to provide for this phase of the refund without regard to tax definitions, and did not intend its authorized refund to be restricted by the application of established tax terminology.
  When the bill reached the Senate Committee, insistent complaints related to the fact that corporations with deficits in accumulated earnings and profits had been compelled to pay taxes for non-distribution of dividends although state or federal law prohibited dividend payments. A deficit railroad corporation had been taxed over its objection that payment of dividends would have rendered its officers subject to punishment for a misdemeanor under federal law and a money penalty under state law. The Board of Tax Appeals had overruled objections on these grounds, relying on our decisions in the Crane-Johnson and Northwest Steel cases, supra. Paris & Mt. Pleasant R. Co. v. Comm’r, 47 B. T. A. 439. The counsel who had represented Crane-Johnson before this Court also appeared on their behalf before the Senate Committee and made a plea for relief for deficit corporations which had been compelled to pay the undistributed profits tax. He urged that such corporations had been “caught in a trap,” and that they were justly entitled to have a refund for that reason. It was apparently in response to the foregoing complaints that the relief provision before us, not part of the House bill as it came to the Senate, was introduced by the Senate Committee. We think Congress was moved to relieve those corporations which it considered to be “caught in a trap” whereby they were taxed by the Federal Government if they did not pay dividends and subject to prosecution and penalties by the Federal Government or the states if they did.
  Some of the language Congress used, considered tax-wise only, provides plausible support for the interpretation urged by the Government which would give the relief amendment more limited scope. But the provision before us is not a general tax exemption to be interpreted in the framework of a currently operating general revenue law. It is a special retroactive relief measure to authorize repayment of taxes collected in previous years under a revenue law which had already been substantially abandoned. The language of this extraordinary relief measure and the circumstances which prompted its passage convince us that Congress intended to provide refunds to corporate taxpayers, with possible minor exceptions, who had paid undistributed profits taxes as a choice between conflicting state and federal compulsions.
  Furthermore, the very mechanics of the 1942 amendment require that determination of rights to refund under it be based on consideration of something other than the tax meaning of the 1936 Act or other tax terminology. The right to recovery in every case depends ultimately upon whether federal law or federal regulatory bodies, or state law or state regulatory bodies, prohibit payments of dividends. In this case the ultimate right to refund depends upon state law. Cf. Lyeth v. Hoey, 305 U. S. 188, 193. Before that right can be finally established, courts must examine state law at least to the extent of determining (1) what is a “deficit”; (2) what are “accumulated earnings and profits”; (3) what was the state law on these questions prior to May 1, 1936; (4) whether payments of dividends under these circumstances were prohibited by state law. Acceptance of the Government’s contention would mean that courts administering the 1942 Act must first determine whether a deficit exists under federal law; if such a federal deficit exists, they must then turn to state law to decide whether under it a deficit exists such as prohibits the payment of dividends. We do not think that Congress intended the courts so to administer the 1942 amendment. The Government’s argument that it does relies heavily upon the Senate Committee Report.
  We think the Senate Committee Report, as a whole, leans toward the view we have taken of the purpose of the law. But in one of the six illustrative examples of application of the new tax relief provisions of the amendment, and in the subsequent Treasury Regulations, it was indicated that no tax credit should be allowed where a tax deficit resulted from “prior capitalization of surplus in the course of a nontaxable reorganization.” Aside from the fact that corporate reorganizations and simple stock dividends are quite different things, we find this one illustrative example insufficient to outweigh the considerations which have governed our interpretation of the 1942 amendment.
  We are persuaded that Congress at least intended by the amendment to refund taxes imposed on corporations which had failed to distribute dividends when distribution, in violation of state law, would have impaired long-existing state-approved corporate capitalizations. See United States v. Byron Sash & Door Co., 150 F. 2d 44, 46. In order that this purpose may be effected, the judgment of the Circuit Court of Appeals is
  Affirmed.
  “I. No corporation shall pay dividends in cash or property, (a) except from the surplus of the aggregate of its assets over the aggregate of its liabilities, plus the amount of its capital stock; or (b) out of any surplus due or arising from (1) any profit on treasury shares before resale; or (2) any unrealized appreciation in value or revaluation of fixed assets; or (3) any unrealized appreciation in value or revaluation of inventories before sale; or (4) the unaccrued portion of unrealized profit on notes, bonds or obligations for the payment of money, purchased or otherwise acquired, unless such notes, bonds or obligations are readily marketable, in which case they may be taken at their actual market value; or (5) the unaccrued or unearned portion of any unrealized profit in any form whatever, whether in the form of notes, bonds, obligations for the payment of money, installment sales, credits or otherwise, except as provided in the preceding sub-paragraph (4).
  "III. No corporation shall pay dividends in shares of the corporation, except from the surplus of the aggregate of its assets . . . over the aggregate of its liabilities, plus the amount of its capital stock.” La. Acts 1928, No. 250, § 26, I, III, 1 La. Gen. Stat. § 1106.
  49 Stat. 1648, 1655-1657.
  The House Ways and Means Committee reported that § 501 of the 1942 Act allowed corporations to deduct capital losses from their capital assets for purposes of the undistributed profits tax even though only $2,000 of such capital loss was deductible from gross income for other purposes.
  Another amendment provided a stock redemption credit deductible from gross income taxable for undistributed profits tax purposes.
  And the breadth of the refund provision is illustrated by the provisions making the amendment effective as of the date the 1936 Act was enacted, and extending the Statute of Limitations to permit refunds for all overpayments since that date. H. R. Rep. 2333, 77th Cong., 2d Sess., 170 (1942).
  Sen. Rep. No. 1631, 77th Cong., 2d Sess., 244, 245 (1942).
  Hearings before Senate Committee on Finance on Revenue Act of 1942, 77th Cong., 2d Sess., 2343-2345 (1942). Counsel for another deficit railroad corporation pointed out that under governing state law that railroad’s officers would have been liable for a penalty of double the damages to anyone harmed. Id. at 1422.
  Statement of Mr. John E. Hughes:
  “Next I have a statement on behalf of Crane Johnson Co. that section 501 of the House bill should be simplified. That point is this: If a corporation was forbidden by State law to declare a dividend because its capital stock was impaired, it could not avoid the undistributed profits tax enacted in 1936 and was caught in a trap. A rich corporation could. It could declare a dividend and avoid it. Surely you would not discriminate against a poor one.
  “Furthermore, if it had an impairment of capital stock and was organized under the laws of about one-third of the States where corporations in such condition are allowed to declare dividends, a dividend would be a return of capital to the shareholder and no credit for the undistributed profits tax would be given.
  “There is no reason for granting relief retroactively in the limited eases which may be held to be covered by the vague and ambiguous language of section 501 of the House bill without granting relief in these cases also.
  “The language of section 501 is vague and ambiguous and ought to be simplified. In 1938 relief was granted as soon as this situation was brought to the attention of Congress, but unfortunately was not made retroactive to 1936. The House bill in section 501 properly makes it retroactive to 1936, but is not phrased in simple enough language.” Hearings, supra 1022. See also id. at 1306-1308.
  See H. R. Rep., note 3, supra.
  See Sen. Rep., note 4, supra.
  Sen. Rep. 1631, note 4, supra, outlining § 501 of the proposed Revenue Act of 1942 stated:
  “. . . [A] new paragraph . . . has been added, providing for an additional credit in cases of corporations having a deficit in accumulated earnings and profits and prohibited by law from paying dividends, and ... a new subsection has been added providing for a stock redemption credit.
  “Section 501 . . . grants relief from the undistributed-profits tax for taxable years beginning after December 31, 1935, and prior to January 1, 1938, by allowing as an additional credit in computing undistributed net income the portion of the adjusted net income which, in certain instances, could not be distributed as a taxable dividend. . . .
  “Under section 14 of the Revenue Act of 1936 corporations in general were subject to surtax at various rates from 7 to 27 percent of their undistributed net income. In some instances State law or an order of a public regulatory body prohibited payment of dividends during the existence of a deficit even though the corporation had current earnings and profits which would constitute undistributed net income under the definition thereof in section 14 (a) (2). Such corporations were, therefore, subject to undistributed profits surtax even though they were prohibited by law from paying dividends. The addition of the new paragraph 3 to subsection (c) of section 26 to provide an additional credit in the amount of the deficit in accumulated earnings and profits as of the close of the preceding taxable year is intended to give relief in certain of these cases.
  “Also under section 14 of the Revenue Act of 1936, it was possible that the undistributed net income of a corporation might exceed accumulated and current earnings and profits. In such case the tax could not be avoided even if distributions were made to shareholders.” The amendment was to provide relief in this situation also.
  Id. at 246.
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