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S Corp Equity Compensation: How to Avoid an Accidental Second Class of Stock

  • 1 day ago
  • 6 min read

Updated: 44 minutes ago

S Corp equity compensation tax insight on avoiding an accidental second class of stock

Key Takeaways

  • An S corporation may have only one class of stock. Creating a prohibited second class terminates the S election automatically under Code §1362(d)(2).

  • The one-class test is economic, not compensatory: Treas. Reg. §1.1361-1(l)(1) asks whether every outstanding share has identical distribution and liquidation rights, not whether different employees are paid differently.

  • Restricted stock, most employee options, phantom stock/SARs, and straight debt each have a regulatory safe harbor that lets a well-drafted plan avoid a second class of stock.

  • The biggest risk often isn’t the compensation plan at all, it’s an LLC operating agreement with partnership-style allocations sitting underneath an S election.

  • Rev. Proc. 2022-19 lets many corporations fix nonidentical governing provisions without a private letter ruling.

Equity compensation has become an essential component of executive and employee compensation. Stock options, restricted stock, phantom equity, and stock appreciation rights allow closely held businesses to attract and retain talented employees while preserving cash flow.


For S corporations, however, equity compensation presents a unique challenge. Unlike partnerships and C corporations, an S corporation may have only one class of equity, as per §1361(b)(1)(D) of the Internal Revenue Code of 1986, as amended (the “Code”). If an equity compensation arrangement creates a prohibited second class of stock, the corporation’s S election terminates automatically under Code §1362(d)(2), often producing significant and unintended tax consequences. Fortunately, the attendant Treasury Regulations (“Treas. Reg.”) provide considerably more flexibility than many practitioners appreciate. Properly designed compensation arrangements generally do not jeopardize S status, and the greater danger often lies in poorly drafted governing documents that inadvertently create unequal economic rights among shareholders.


Second Class of Stock, Defined

Under Treas. Reg. §1.1361-1(l)(1), an S corporation has only one class of stock as long as every outstanding share confers identical rights to distributions and liquidation proceeds. Voting rights don’t count — voting and nonvoting shares can coexist. The test looks at economic rights, not at how much any individual shareholder-employee is paid.


The One-Class-of-Stock Rule


Code §1361(b)(1)(D) requires that an S corporation have only one class of stock, and Treas. Reg. §1.1361-1(l)(1) clarifies that the inquiry is an economic one, whereby a corporation has only one class of stock if all outstanding shares confer identical rights to distributions and liquidation proceeds. Voting rights are expressly disregarded, permitting voting and nonvoting stock so long as economic rights remain identical. The regulations further provide that the determination is made primarily from the corporation’s “governing provisions,” including (1) articles or certificate of incorporation; (2) bylaws; (3) state law; and (4) binding agreements affecting shareholders’ economic rights. Commercial agreements generally are ignored unless one of their principal purposes is to circumvent the one-class-of-stock rules.


This distinction is fundamental, as the regulations focus on whether shareholders possess identical rights, and not whether different shareholders receive different compensation packages.


Before these relatively modern regulations, the Internal Revenue Service (the “IRS”) frequently argued that shareholder debt or unusual financial arrangements constituted a prohibited second class of stock. One of the leading cases in this area was Portage Plastics Co. v. United States, 486 F.2d 632 (7th Cir. 1973), where the government argued that shareholder advances should be recharacterized as equity and therefore treated as a second class of stock. The Seventh Circuit rejected the government’s position, concluding that even if the advances resembled equity under traditional debt-equity principles, they did not necessarily create a prohibited second class of stock. The court criticized the government’s expansive interpretation of the then-existing regulations and emphasized that Congress intended subchapter S of the Code to be administered with practical flexibility rather than technical formalism.


The Modern Regulatory Framework


Throughout the 1990s, IRS regulations largely displaced the earlier case law. Rather than asking whether every unusual instrument resembles equity, Treas. Reg. §1.1361-1(l) creates specific categories of arrangements that either are, or are not, treated as a second class of stock.


The regulations also provide several explicit safe harbors for employee compensation arrangements, straight debt, deferred compensation, and certain options. Consequently, modern planning focuses less on judicial debt-equity doctrines and more on fitting within the regulatory framework.


Restricted Stock and Section 83(b) Elections


Restricted stock frequently represents the simplest method of providing actual ownership.


Treas. Reg. §1.1361-1(b)(3) coordinates the S corporation rules with Code §83. Substantially nonvested stock transferred in connection with services generally is not treated as outstanding stock until vesting unless the employee files a timely §83(b) election. If the employee makes a valid §83(b) election, the shares become outstanding immediately. Importantly, they do not create a second class of stock provided they possess identical rights to distributions and liquidation proceeds like every other outstanding share. Accordingly, restricted stock is generally compatible with S corporation status, provided the corporation avoids creating preferred economic rights.


Employee Stock Options and the 90% Safe Harbor


Stock options often create the greatest concern among practitioners. Pursuant to Treas. Reg. §1.1361-1(l)(4)(iii), options, warrants, and similar instruments become problematic only if, considering all the facts and circumstances: (1) exercise is substantially certain; and (2) the strike price is substantially below fair market value. Even then, the regulations provide generous exceptions, as most employee options are excluded entirely if they are issued for services, are nontransferable, and lack a readily ascertainable fair market value when granted.


In addition, the regulations establish a valuation safe harbor under which an option generally will not be treated as creating a second class of stock if its exercise price equals at least ninety percent of fair market value when granted and the valuation reflects reasonable diligence.


These provisions permit conventional employee stock option plans for many closely held S corporations.


Phantom Stock, SARs, and Deferred Compensation


Many businesses intentionally avoid issuing actual stock, since phantom stock, stock appreciation rights (“SARs”), deferred compensation plans, and similar synthetic equity arrangements generally provide employees with economic incentives tied to company performance without creating additional shareholders. Under Treas. Reg. §1.1361-1(b)(4) qualifying unfunded deferred compensation arrangements are excluded from treatment as outstanding stock. Likewise, Treas. Reg. §1.1361-1(l)(4)(i) confirms that qualifying deferred compensation arrangements are not treated as creating a second class of stock. For many closely held companies, these arrangements offer the practical benefits of equity participation while avoiding governance complications associated with employee shareholders.


Straight Debt and Convertible Instruments


The regulations also address debt instruments, and Treas. Reg. §1.1361-1(l)(5) creates the familiar “straight debt” safe harbor. Qualifying debt (even if it might resemble equity under traditional debt-equity principles) is expressly excluded from second-class-of-stock treatment.


Conversely, convertible debt may create problems if it effectively functions as a deeply discounted option or otherwise circumvents the one-class-of-stock requirement.


A Hidden Trap: LLC Operating Agreements


In contemporary practice, one of the greatest risks in this area has little to do with compensation. Many LLCs elect S corporation status while retaining operating agreements drafted for partnership taxation, and these agreements frequently contain targeted capital account provisions, special liquidation allocations, deficit restoration obligations, non-pro rata distributions, or capital account-based liquidation provisions. Those provisions often conflict directly with the requirement that every ownership interest possesses identical distribution and liquidation rights.

Recognizing that these drafting errors are widespread, the IRS issued Rev. Proc. 2022-19, which permits taxpayers in certain circumstances to correct nonidentical governing provisions without obtaining a private letter ruling. The revenue procedure reflects the IRS’s acknowledgment that defective governing documents have become a recurring source of inadvertent S election failures.


Frequently Asked Questions


Does awarding employees different amounts of stock or similar compensation create a second class of stock?

Not necessarily. The regulations focus on whether shareholders possess identical rights to distribution and liquidation proceeds, and not whether different shareholders receive different compensation packages.

The S election terminates automatically under Code §1362(d)(2), which can produce significant and unintended tax consequences.

No. Voting rights are expressly disregarded under Treas. Reg. §1.1361-1(l)(1) — voting and nonvoting stock can coexist so long as economic rights remain identical.

Yes, in most cases. Under Treas. Reg. §1.1361-1(l)(4)(iii), most employee options are excluded from second-class-of-stock treatment if they are issued for services, nontransferable, and lack a readily ascertainable fair market value — or if priced at least ninety percent of fair market value with reasonable diligence.

Rev. Proc. 2022-19 permits taxpayers, in certain circumstances, to correct nonidentical governing provisions without obtaining a private letter ruling.


Practical Considerations for S Corp Equity Compensation


When designing equity compensation for an S corporation, practitioners should maintain identical economic rights for every outstanding share and avoid partnership allocation concepts in organizational documents. They should also, before advising their clients to issue options, obtain defensible fair market value determinations, and rely on safe harbors whenever practicable. All restricted stock grants must be coordinated with §83(b) planning, but phantom equity or SARs should always be considered when granting ownership is unnecessary or undesirable.


Len Sprishen, Schulman Lobel tax advisor on S Corp equity compensation

Talk to Our Cross-Border Tax Team

If your S corporation is planning an equity compensation program, or you’re unsure whether an existing option plan, phantom equity arrangement, or LLC operating agreement puts your S election at risk, Len Sprishen and Schulman Lobel’s tax team can review your structure against these safe harbors before a defect becomes an automatic, retroactive termination of S status.



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