Preferred stock is treated as debt when its terms create a fixed, enforceable obligation to return capital rather than a genuine equity stake. The IRS and financial accounting standards both look past the label on the certificate and ask whether the issuer is really obligated to pay a set amount on a set schedule, whether the holder can force redemption, and whether the arrangement functions more like a loan than a share of the business. Getting that classification wrong carries real costs: disallowed deductions, restated balance sheets, breached loan covenants, and IRS accuracy penalties that reach 20 percent of the resulting underpayment.
The Features That Push Preferred Stock Toward Debt
No single feature makes preferred stock into debt on its own. But certain contractual terms, especially when stacked together, strip away what makes an instrument equity in the first place. Permanence, discretion over payments, and shared business risk are the things that mark real equity. Remove them and what’s left looks like a loan.
Mandatory Redemption or a Holder Put
A fixed redemption date is the single strongest indicator of debt. It turns a perpetual stake into a time-limited obligation with a definite repayment. A put option—the holder’s right to force the company to buy the shares back at a set price—has the same effect, because someone other than the company controls the timing of the cash outflow. An issuer call, where the company chooses whether to redeem, points the other way, because the discretion stays with the issuer.
Cumulative Dividends
Cumulative preferred dividends accrue whether or not the board declares them, building up an obligation that must be cleared before common shareholders receive anything. The IRS treats this as debt-like because it resembles the way unpaid interest accrues on a loan. Non-cumulative preferred, where a skipped dividend is simply gone, looks more like equity.
High Fixed Rates and Senior Claims
A fixed dividend rate substantially above market yields for comparable equity suggests the holder is being paid for credit risk, not equity risk. When that sits alongside a claim that ranks with or ahead of general creditors, the holder’s economic position becomes hard to distinguish from a bondholder’s.
Convertibility and Proportional Ownership
Convertibility into common stock is a factor but not automatically disqualifying. Proportional holdings matter more than people expect: when the same people who own the common stock hold the preferred in the same ratios, the IRS is far more likely to treat the preferred as an additional capital contribution rather than a real loan. Different ownership ratios across the two classes help support debt treatment.
How the IRS Decides
Congress authorized Treasury under Section 385 to write regulations distinguishing debt from equity, listing five factors the regulations may consider.1Office of the Law Revision Counsel. 26 USC 385 – Treatment of Certain Interests in Corporations as Stock or Indebtedness Courts have expanded that into a broader multi-factor test through decades of litigation. No single characteristic is decisive; the analysis turns on the overall economic reality of the transaction.2Legal Information Institute. John Kelley Co v Commissioner of Internal Revenue
Beyond the contractual features already described, the IRS and courts weigh several other factors:3Internal Revenue Service. Office of Chief Counsel Memorandum – Debt-Equity Issue
- Whether there is an unconditional written promise to pay a fixed amount on a specific date at a stated rate.
- Whether the holder can sue to enforce payment the way a creditor can.
- Whether the company is thinly capitalized—if the debt-to-equity ratio is out of line with the industry, purported debt can be recharacterized as a disguised equity contribution.
- Whether the only realistic source of repayment is future business profits, which is an equity characteristic; debt usually has a repayment source that doesn’t depend on the venture succeeding.
- How the parties actually treated the instrument. Consistent debt treatment across tax returns, financial statements, and internal records supports debt classification; inconsistent treatment undermines it.
Treasury issued detailed documentation requirements under Section 385 in 2016 and then removed them in 2019.4Federal Register. Removal of Section 385 Documentation Regulations The removal did not eliminate the underlying multi-factor analysis. There is no longer a specific checklist of required documents, but the case-by-case substance test is fully intact.
How Accountants Decide
Financial reporting classification runs on a separate track from the tax analysis. You can have an instrument the IRS treats as equity but your auditors require you to report as a liability, or the reverse. Under U.S. GAAP, ASC 480 requires liability classification for three categories of instruments that look like equity but function as obligations:
- Mandatory redemption: the issuer has an unconditional obligation to redeem the shares for cash or other assets, either on a fixed date or on an event certain to occur.
- Obligation to repurchase equity shares: the holder has the right to force a buyback, so the cash obligation is driven by someone else’s decision.
- Variable-share settlement of a fixed obligation: the company owes a set dollar amount but plans to settle it with a variable number of its own shares.
Each of those triggers eliminates the issuer’s discretion in a way that makes the instrument economically equivalent to debt. Preferred stock with a mandatory redemption date in 2035 is, from an accounting standpoint, not meaningfully different from a bond maturing in 2035.
Temporary Equity
Instruments that don’t trigger full liability classification but are still redeemable outside the issuer’s control land in a middle category called temporary equity, or mezzanine equity. This applies when shares are redeemable at a fixed price on a fixed date, at the holder’s option, or upon a contingent event the issuer cannot prevent. Temporary equity sits in its own section between liabilities and permanent shareholders’ equity, and the carrying amount is accreted up to the redemption value over time, which reduces retained earnings.
What Changes for the Company
If preferred stock is reclassified as debt, payments the company had been calling non-deductible dividends become deductible interest under Section 163.5Office of the Law Revision Counsel. 26 USC 163 – Interest That sounds like a benefit, but deductible business interest is capped at 30 percent of the company’s adjusted taxable income under Section 163(j).6Internal Revenue Service. Questions and Answers About the Limitation on the Deduction for Business Interest Expense A company that structured payments as preferred dividends specifically to sidestep this limitation finds those payments pulled back inside it.
Reclassification also runs the other direction. If the company has been deducting payments as interest on what the IRS decides is really equity, those deductions vanish. The company owes back taxes on the disallowed deductions plus interest from the original due dates.
The accounting side of a reclassification hits the balance sheet immediately. Preferred stock moving from equity or temporary equity into liabilities pushes the debt-to-equity ratio up. A company reporting $200 million in liabilities and $100 million in equity has a 2:1 ratio. Reclassify $50 million in preferred into liabilities and the ratio jumps to 5:1. That swing matters because most bank loan agreements include financial covenants—maximum leverage, minimum tangible net worth, interest coverage. A reclassification that inflates liabilities and shrinks equity can breach these covenants overnight, without anything actually changing about cash flow or operations. A breach gives the lender the right to declare default, accelerate the loan, or renegotiate on worse terms. Credit rating agencies watch the same metrics, and a sudden jump in reported debt can trigger a downgrade and higher borrowing costs on future issuances.
What Changes for the Holder
The classification also drives how the holder reports income. Dividend income from a domestic corporation qualifies for preferential rates for individual holders, with a top qualified dividend rate of 20 percent for high earners. Interest is taxed as ordinary income at rates up to 37 percent. A reclassification from dividends to interest means the holder pays more tax on the same cash flow.
Corporate holders face a bigger swing. A corporation receiving dividends from another domestic corporation can deduct 50 percent of those dividends from taxable income, or 65 percent if it owns at least 20 percent of the paying corporation’s stock.7Office of the Law Revision Counsel. 26 USC 243 – Dividends Received by Corporations That dividends-received deduction disappears entirely if payments are reclassified as interest. A corporate holder receiving $10 million in annual preferred dividends and losing a 50 percent deduction picks up roughly $1.05 million in additional federal tax each year at the 21 percent corporate rate.
Constructive Distributions Under Section 305
Even without a full reclassification to debt, Section 305 can generate taxable income for holders in ways that aren’t obvious. Distributions on preferred stock, including stock dividends on preferred shares, are generally treated as taxable property distributions rather than tax-free stock distributions.8Office of the Law Revision Counsel. 26 USC 305 – Distributions of Stock and Stock Rights Section 305(c) also treats certain redemption premiums as constructive distributions. If preferred stock has a redemption price higher than its issue price, and the issuer is required to redeem or the holder has the option to demand redemption, the premium may be treated as a series of deemed distributions spread over the life of the instrument. The premium has to be reasonable, measured against the same principles used for original issue discount on debt; excess is taxable as it accrues.
Penalties and Documentation
The IRS imposes a 20 percent accuracy-related penalty on underpayments attributable to a substantial understatement of income tax.9Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments For corporations, a substantial understatement is the lesser of 10 percent of the tax that should have been reported (or $10,000, whichever is greater) and $10,000,000. A misclassified preferred stock issuance—millions in payments deducted as interest that the IRS treats as non-deductible dividends—can clear that threshold without difficulty. Interest on the unpaid tax runs from the original due date, and multi-year misclassifications compound.
The penalty doesn’t apply if the taxpayer acted with reasonable cause and in good faith. That’s where a contemporaneous written analysis of the debt-equity factors at the time of issuance carries weight. Companies can also file Form 8275 to disclose an uncertain position, which can reduce the risk of a substantial-understatement or negligence penalty, though the disclosure doesn’t guarantee protection.10Internal Revenue Service. Instructions for Form 8275
An Instrument Built to Walk the Line
Trust preferred securities show how the classification rules play out when a structure is engineered around them. Bank holding companies commonly used a structure where a parent creates a trust, the trust issues preferred securities to investors, and the parent issues subordinated debt to the trust. Interest the trust receives from the parent funds dividend payments to investors. The result: investors hold what looks like preferred stock, while the parent deducts payments as interest on subordinated debt.
That worked because the parent-to-trust piece was engineered to satisfy the multi-factor test on the debt side. There was an unconditional promise to pay, a fixed maturity, a stated interest rate, and the obligation was documented as a loan. The structure became popular enough with banks that regulators eventually restricted how much of it could count toward regulatory capital. It remains one of the clearest reminders that classification follows the underlying economic terms, not the label on the security.