Justice Thomas
delivered the opinion of the Court.
The Commissioner of Internal Revenue assessed tax deficiencies against petitioners David and Louise Gitlitz and Philip and Eleanor Winn because they used nontaxed discharge of indebtedness to increase their bases in S corporation stock and to deduct suspended losses. In this case we must answer two questions. First, we must decide whether the Internal Revenue Code (Code) permits taxpayers to increase bases in their S corporation stock by the amount of an S corporation’s discharge of indebtedness excluded from gross income. And, second, if the Code permits such an increase, we must decide whether the increase occurs before or after taxpayers are required to reduce the S corporation’s tax attributes.
I
David Gitlitz and Philip Winn were shareholders of P. D. W. & A., Inc., a corporation that had elected to be taxed under Subchapter S of the Code, 26 U. S. C. §§ 1361-1379 (1994 ed. and Supp. III). Subchapter S allows shareholders of qualified corporations to elect a “pass-through” taxation system under which income is subjected to only one level of taxation. See Bufferd v. Commissioner, 506 U. S. 523, 525 (1993). The corporation’s profits pass through directly to its shareholders on a pro rata basis and are reported on the shareholders’ individual tax returns. See § 1366(a)(1)(A). To prevent double taxation of income upon distribution from the corporation to the shareholders, § 1367(a)(1)(A).permits shareholders to increase their corporate bases by items of income identified in § 1366(a) (1994 ed. and Supp. III). Corporate losses and deductions are passed through in a similar manner, see § 1366(a)(1)(A), and the shareholders’ bases in the S corporation’s stock and debt are decreased accordingly, see §§ 1367(a)(2)(B), 1367(b)(2)(A). However, a shareholder cannot take corporate losses and deductions into account on his personal tax return to the extent that such items exceed his basis in the stock and debt of the S corporation. See § 1366(d)(1) (Supp. III). If those items exceed the basis, the excess is “suspended” until the shareholder’s basis becomes large enough to permit the deduction. See §§ 1366(d)(1), (2) (1994 ed. and Supp. III).
In 1991, P. D. W. & A. realized $2,021,296 of discharged indebtedness. At the time, the corporation was insolvent in the amount of $2,181,748. Because it was insolvent even after the discharge of indebtedness was added to its balance sheet, P. D. W. & A. excluded the entire discharge of indebtedness amount from gross income under 26 U. S. C. §§ 108(a) and 108(d)(7)(A). On their tax returns, Gitlitz and Winn increased their bases in P. D. W. & A. stock by their pro rata share (50 percent each) of the amount of the corporation’s discharge of indebtedness. Petitioners’ theory was that the discharge of indebtedness was an “item of income” subject to pass-through under § 1366(a)(1)(A). They used their increased bases to deduct on their personal tax returns corporate losses and deductions, including losses and deductions from previous years that had been suspended under § 1366(d). Gitlitz and Winn each had losses (including suspended losses and operating losses) that totaled $1,010,648. With the upward basis adjustments of $1,010,648 each, Gitlitz and Winn were each able to deduct the full amount of their pro rata share of P. D. W. & A.’s losses.
The Commissioner determined that petitioners could not use P. D. W. & A.’s discharge of indebtedness to increase their bases in the stock and denied petitioners’ loss deductions. Petitioners petitioned the Tax Court to review the deficiency determinations. The Tax Court, in its initial opinion, granted relief to petitioners and held that the discharge of indebtedness was an “item of income” and therefore could support a basis increase. See Winn v. Commissioner, 73 TCM 3167 (1997), ¶ 97,286 RIA Memo withdrawn and reissued, 75 TCM 1840 (1998), ¶ 98,071 RIA Memo TC. In light of the Tax Court’s decision in Nelson v. Commis sioner, 110 T. C. 114 (1998), aff’d, 182 E 3d 1152 (CA10 1999), however, the Tax Court granted the Commissioner’s motion for reconsideration and held that shareholders may not use an S corporation’s untaxed discharge of indebtedness to increase their bases in corporate stock. See Winn v. Commissioner, 75 TCM 1840 (1998), ¶ 98,071 RIA Memo TC.
The Court of Appeals affirmed. See 182 F. 3d 1143 (CA10 1999). It assumed that excluded discharge of indebtedness is an item of income subject to pass-through to shareholders pursuant to § 1366(a)(1)(A), id., at 1148, 1151, n. 7, but held that the discharge of indebtedness amount first had to be used to reduce certain tax attributes of the S corporation under § 108(b), and that only the leftover amount could be used to increase basis. The Court of Appeals explained that, because the tax attribute to be reduced (in this case the corporation’s net operating loss) was equal to the amount of discharged debt, the entire amount of discharged debt was absorbed by the reduction at the corporate level, and nothing remained of the discharge of indebtedness to be passed through to the shareholders under § 1366(a)(1)(A). Id., at 1151. Because Courts of Appeals have disagreed on how to treat discharge of indebtedness of an insolvent S corporation, compare Gaudiano v. Commissioner, 216 F. 3d 524, 535 (CA6 2000) (holding that tax attributes are reduced before excluded discharged debt income is passed through to shareholders), cert. pending, No. 00-459; Witzel v. Commissioner, 200 F. 3d 496, 498 (CA7 2000) (same), cert. pending, No. 99-1693; and 182 F. 3d, at 1150 (case below), with United States v. Farley, 202 F. 3d 198, 206 (CA3 2000) (holding that excluded discharged debt income is passed through to shareholders before tax attributes are reduced), cert. pending, No. 99-1675 [Reporter’s Note: See post, p. 1111]; see also Pugh v. Commissioner, 213 F. 3d 1324, 1330 (CA11 2000) (holding that excluded discharged debt income is subject to pass-through and can increase basis), cert. pending, No. 00-242, we granted certiorari. 529 U. S. 1097 (2000).
I
Before we can reach the issue addressed by the Court of Appeals — whether the increase in the taxpayers’ corporate bases occurs before or after the taxpayers are required to reduce the S corporation’s tax attributes — we must address the argument raised by the Commissioner. The Commissioner argues that the discharge of indebtedness of an insolvent S corporation is not an “item of income” and thus never passes through to shareholders. Under a plain reading of the statute, we reject this argument and conclude that excluded discharged debt is indeed an “item of income,” which passes through to the shareholders and increases their bases in the stock of the S corporation.
Section 61(a)(12) states that discharge of indebtedness generally is included in gross income. Section 108(a)(1) provides an express exception to this general rule:
“Gross income does not include any amount which (but for this subsection) would be includible in gross income by reason of the discharge ... of indebtedness of the taxpayer if—
“(B) the discharge occurs when the taxpayer is insolvent.”
The Commissioner contends that this exclusion from gross income alters the character of the discharge of indebtedness so that it is no longer an “item of income.” However, the text and structure of the statute do not support the Commissioner’s theory. Section 108(a) simply does not say that discharge of indebtedness ceases to be an item of income when the S corporation is insolvent. Instead it provides only that discharge of indebtedness ceases to be included in gross income. Not all items of income are included in gross income, see § 1366(a)(1) (providing that “items of income,” including “tax-exempt” income, are passed through to shareholders), so mere exclusion of an amount from gross income does not imply that the amount ceases to be an item of income. Moreover, §§ 101 through 136 employ the same construction to exclude various items from gross income: “Gross income does not include . . . .” The consequence of reading this language in the manner suggested by the Commissioner would be to exempt all items in these sections from pass-through under § 1366. However, not even the Commissioner encourages us to reach this sweeping conclusion. Instead the Commissioner asserts that discharge of indebtedness is unique among the types of items excluded from gross income because no economic outlay is required of the taxpayer receiving discharge of indebtedness. But the Commissioner is unable to identify language in the statute that makes this distinction relevant, and we certainly find none.
On the contrary, the statute makes clear that §108(a)’s exclusion does not alter the character of discharge of indebtedness as an item of income. Specifically, § 108(e)(1) reads:
“Except as otherwise provided in this section, there shall be no insolvency exception from the general rule that gross income includes income from the discharge of indebtedness.”
This provision presumes that discharge of indebtedness is always “income,” and that the only question for purposes of § 108 is whether it is includible in gross income. If discharge of indebtedness of insolvent entities were not actually “income,” there would be no need to provide an exception to its inclusion in gross income; quite simply, if discharge of indebtedness of an insolvent entity were not “income,” it would necessarily not be included in gross income.
Notwithstanding the plain language of the statute, the Commissioner argues, generally, that excluded discharge of indebtedness is not income and, specifically, that it is not “tax-exempt income” under § 1366(a)(1)(A). First, the Commissioner argues that § 108 merely codified the “judicial insolvency exception,” and that, under this exception, discharge of indebtedness of an insolvent taxpayer was not considered income. The insolvency exception was a rule that the discharge of indebtedness of an insolvent taxpayer was not taxable income. See, e. g., Dallas Transfer & Terminal Warehouse Co. v. Commissioner, 70 F. 2d 95 (CA5 1934); Astoria Marine Construction Co. v. Commissioner, 12 T. C. 798 (1949). But the exception has since been limited by § 108(e). Section 108(e) precludes us from relying on any understanding of the judicial insolvency exception that was not codified in § 108. And as explained above, the language and logic of §108 clearly establish that, although discharge of indebtedness of an insolvent taxpayer is not included in gross income, it is nevertheless income.
The Commissioner also relies on a Treasury Regulation to support his theory that no income is realized from the discharge of the debt of an insolvent:
“Proceedings under Bankruptcy Act.
“(1) Income is not realized by a taxpayer by virtue of the discharge, under section 14 of the Bankruptcy Act (11 U. S. C. 32), of his indebtedness as the result of an adjudication in bankruptcy, or by virtue of an agreement among his creditors not consummated under any provision of the Bankruptcy Act, if immediately thereafter the taxpayer’s liabilities exceed the value of his assets.” 26 CFR § 1.61-12(b) (2000).
Even if this regulation could be read (countertextually) to apply outside the bankruptcy context, it merely states that “[i]ncome is not realized.” The regulation says nothing about whether discharge of indebtedness is income subject to pass-through under § 1366.
Second, the Commissioner argues that excluded discharge of indebtedness is not “tax-exempt” income under § 1366(a)(1)(A), but rather “tax-deferred” income. According to the Commissioner, because the taxpayer is required to reduce tax attributes that could have provided future tax benefits, the taxpayer will pay taxes on future income that otherwise would have been absorbed by the forfeited tax attributes. Implicit in the Commissioner’s labeling of such income as “tax-deferred,” however, is the erroneous assumption that § 1366(a)(1)(A) does not include “tax-deferred” income. Section 1366 applies to “items of income.” This section expressly includes “tax-exempt” income, but this inclusion does not mean that the statute must therefore exclude “tax-deferred” income. The section is worded broadly enough to include any item of income, even tax-deferred income, that “could affect the liability for tax of any shareholder.” § 1366(a)(1)(A). Thus, none of the Commissioner’s contentions alters our conclusion that discharge of indebtedness of an insolvent S corporation is an item of income for purposes of § 1366(a)(1)(A).
III
Having concluded that excluded discharge of indebtedness is . an “item of income” and is therefore subject to pass-through to shareholders under § 1366, we must resolve the sequencing question addressed by the Court of Appeals— whether pass-through is performed before or after the reduction of the S corporation’s tax attributes under § 108(b). Section 108(b)(1) provides that “[t]he amount excluded from gross income under [§ 108(a)] shall be applied to reduce the tax attributes of the taxpayer as provided [in this section].” Section 108(b)(2) then lists the various tax attributes to be reduced in the order of reduction. The first tax attribute to be reduced, and the one at issue in this case, is the net operating loss. See § 108(b)(2)(A). Section 108(d)(7)(B) specifies that, for purposes of attribute reduction, the shareholders’ suspended losses for the taxable year of discharge are to be treated as the S corporation’s net operating loss. If tax attribute reduction is performed before the discharge of indebtedness is passed through to the shareholders (as the Court of Appeals held), the shareholders’ losses that exceed basis are treated as the corporation’s net operating loss and are then reduced by the amount of the discharged debt. In this case, no suspended losses would remain that would permit petitioners to take deductions. If, however, attribute reduction is performed after the discharged debt income is passed through (as petitioners argue), then the shareholders would be able to deduct their losses (up to the amount of the increase in basis caused by the discharged debt). Any suspended losses remaining then will be treated as the S corporation’s net operating loss and will be reduced by the amount of the discharged debt. Therefore, the sequence of the steps of pass-through and attribute reduction determines whether petitioners here were deficient when they increased their bases by the discharged debt amount and deducted their losses.
The sequencing question is expressly addressed in the statute. Section 108(b)(4)(A) directs that the attribute reductions “shall be made after the determination of the tax imposed by this chapter for the taxable year of the discharge.” (Emphases added.) See also § 1017(a) (applying the same sequencing when § 108 attribute reduction affects basis of corporate property). In order to determine the “tax imposed,” an S corporation shareholder must adjust his basis in his corporate stock and pass through all items of income and loss. See §§ 1866,1367 (1994 ed. and Supp. III). Consequently, the attribute reduction must be made after the basis adjustment and pass-through. In the case of petitioners, they must pass through the discharged debt, increase corporate bases, and then deduct their losses, all before any attribute reduction could occur. Because their basis increase is equal to their losses, petitioners have no suspended losses remaining. They, therefore, have no net operating losses to reduce.
Although the Commissioner has now abandoned the reasoning of the Court of Appeals below, we address the primary arguments made in the Courts of Appeals against petitioners’ reading of the sequencing provision. First, one court has expressed the concern that, if the discharge of indebtedness is passed through to the shareholder before the tax attributes are reduced, then there can never be any discharge of indebtedness remaining “at the corporate level,” § 108(d)(7)(A), by which to reduce tax attributes. Gaudino, 216 F. 3d, at 533. This concern presumes that tax attributes can be reduced only if the discharge of indebtedness itself remains at the corporate level. The statute, however, does not impose this restriction. Section 108(b)(1) requires only that the tax attributes be reduced by “[t]he amount excluded from gross income” (emphasis added), and that amount is not altered by the mere pass-through of the income to the shareholder.
Second, courts have discussed the policy concern that, if shareholders were permitted to pass through the discharge of indebtedness before reducing any tax attributes, the shareholders would wrongly experience a “double windfall”: They would be exempted from paying taxes on the full amount of the discharge of indebtedness, and they would be able to increase basis and deduct their previously suspended losses. See, e.g., 182 F. 3d, at 1147-1148. Because the Code’s plain text permits the taxpayers here to receive these benefits, we need not address this policy concern.
* * *
The judgment of the Court of Appeals, accordingly, is reversed.
It is so ordered.
Each man filed a joint tax return with his wife.
Section 1366(a)(1) provides:
“In determining the tax under this chapter of a shareholder for the shareholder’s taxable year in which the taxable year of the S corporation ends . . . , there shall be taken into account the shareholder’s pro rata share of the corporation’s—
“(A) items of income (including tax-exempt income), loss, deduction, or credit the separate treatment of which could affect the liability for tax of any shareholder ....”
In Nelson, the Tax Court held that excluded discharge of indebtedness does not pass through to an S corporation’s shareholders because § 108 is an exception to normal S corporation pass-through rules. Specifically, the court held that, because § 108(d)(7)(A) requires that “subsections (a) [and (b) of § 108] shall be applied at the corporate level” in the case of an S corporation, it precludes any pass-through of the discharge of indebtedness to the shareholder level. See Nelson, 110 T. C., at 121-124.
Section 108(b)(1) reads: “The amount excluded from gross income under [§ 108(a)(1)] shall be applied to reduce the tax attributes of the taxpayer ....”
The Commissioner has altered his arguments throughout the course of this litigation. According to the Tax Court, during the first iteration of this case the Commissioner made several arguments but then settled on a “final” one — that the discharge of indebtedness of the insolvent S corporation was not an “item of income,” see 73 TCM 3167 (1997), ¶ 97,286 RIA Memo TC. In the Court of Appeals, the Commissioner argued instead that, because any pass-through of excluded discharge of indebtedness to petitioners took place after any reduction of tax attributes and by then the income would have been fully absorbed by the tax attributes, no discharged debt remained to flowthrough to petitioners. The Commissioner relegated to a footnote his argument that discharge of indebtedness is not an “item of income.” See Brief for Appellee in Nos. 98-9009 and 98-9010 (CA10), p. 33, n. 14.
The Commissioner also contends, as does the dissent, that because § 108(d)(7)(A) mandates that the discharged debt amount be determined and applied to reduce tax attributes “at the corporate level,” rather than at the shareholder level, the discharged debt, even if it is some type of income, simply cannot pass through to shareholders. In other words, the Commissioner contends' that § 108(d)(7)(A) excepts excluded discharged debt from the general pass-through provisions for S corporations. However, § 108(d)(7)(A) merely directs that the exclusion from gross income and the tax attribute reduction be made at the corporate level. Section 108(d)(7)(A) does not state or imply that the debt discharge provisions shall apply only “at the corporate level.” The very purpose of Subchap-ter S is to tax at the shareholder level, not the corporate level. Income is determined at the S corporation level, see § 1863(b), not in order to tax the corporation, see § 1363(a) (exempting an S corporation from income tax), but solely to pass through to the S corporation’s shareholders the corporation’s income. Thus, the controlling provision states that, in determining a shareholder’s liability, “there shall be taken into account the shareholder’s pro rata share of the corporation’s . . . items of income (including tax-exempt income)_” § 1366(a)(1). Nothing in § 108(d)(7)(A) suspends the operation of these ordinary pass-through rules.
Under this scenario, the shareholders’ losses would be reduced by the discharge of indebtedness. However, it is unclear precisely what would happen to the discharge of indebtedness. The Court of Appeals below stated that the discharged debt would be “absorbed” by the reduction to the extent of the net operating loss and that therefore only the excess excluded discharged debt would remain to pass through to the shareholders. 182 F. 3d 1143, 1149 (CA10 1999). In contrast, another Court of Appeals suggested, albeit in dictum, that the full amount of the discharge might still pass through to the shareholder and be used to increase basis; the discharged debt amount would reduce the net operating loss but would not be absorbed by it. Witzel v. Commissioner, 200 F. 3d 496, 498 (CA7 2000). We need not resolve this issue because we conclude that the discharge of indebtedness passes through before any attribute reduction takes place.
The Commissioner has abandoned his argument related to the sequencing issue before this Court. This abandonment is particularly odd given that the sequencing issue predominated in the Commissioner’s argument to the Court of Appeals. Notwithstanding the Commissioner’s attempt at oral argument to distance himself from the reasoning of the Court of Appeals on this issue — the Commissioner represented to us that the Court of Appeals developed its reading of the statute sua sponte, Tr. of Oral Arg. 22-24, 27 — it is apparent from the Commissioner’s brief in the Court of Appeals that the Commissioner supplied the very sequencing theory that the Court of Appeals adopted. Compare, e. g., Brief for Appellee in Nos. 98-9009 and 98-9010 (CA10), p. 28 (“First, the discharge of indebtedness income that is excluded under Section 108(a) at the corporate level is temporarily set aside and has no tax consequences .... Second, PDW & A computes its tax attributes, i. e., taxpayers’ suspended losses. Third, the excluded discharge of indebtness income is applied against and eliminates the suspended losses. Because the excluded income is applied against — and offset by — the suspended losses, no item of income flows through to taxpayers under Section 1366(a), and no upward basis adjustment is made under Section 1367(a)” (citations omitted)), with, e. g., 182 F. 3d, at 1151 (“PDW & A first must compute its discharge of indebtedness income and set this figure aside temporarily. The corporation then must calculate its net operating loss tax attribute.... Finally, the corporation must apply the excluded discharged debt to reduce its tax attributes. In this case, the net operating loss tax attribute fully absorbs the corporation’s excluded- discharge of indebtedness income. Thus, there are no items of income to pass through to Gitlitz and Winn”).
Similar to this argument is the contention that, in cases such as this one in which the shareholders’ suspended losses are fully deducted before attribute reduction could take place, no net operating loss remains and no attribute reduction can occur, thus rendering § 108(b) inoperative. However, there will be other cases in which § 108(b) will be inoperative. In particular, if a taxpayer has no tax attributes at all, there will be no reduction. Certainly the statute does not condition the exclusion under § 108(a) on the ability of the taxpayer to reduce attributes under § 108(b). Likewise, in the case of shareholders similarly situated to petitioners in this case, there is also the possibility that other attributes, see §§ 108(b)(2)(B)-(G), could be reduced.
The benefit at issue in this ease arises in part because § 108(d)(7)(A) permits the exclusion of discharge of indebtedness income from gross income for an insolvent S corporation even when the S corporation shareholder is personally solvent. We are aware of no other instance in which § 108 directly benefits a solvent entity. However, the result is required by statute. Between 1982 and 1984, §108 provided that the exclusion from gross income and the reduction in tax attributes occurred at the shareholder level. See Subchapter S Revision Act of 1982, Pub. L. 97-354, § 3(e), 96 Stat. 1689. This provision, which paralleled the current taxation of partnerships at the partner level, see 26 U. S. C. § 108(d)(6), prevented solvent shareholders from benefiting as a result of their S corporation’s insolvency. In 1984, however, Congress amended the Code to provide that §108 be applied “at the corporate level.” Tax Reform Act of 1984, Pub. L. 98-369, § 721(b), 98 Stat. 966. It is as a direct result of this amendment that the solvent petitioners in this case are able to benefit from § 108’s exclusion.
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