In the case of Helvering, Commissioner of Internal Revenue v. Twin Bell Oil Syndicate in 1934, the United States Supreme Court ruled on a tax dispute between the Internal Revenue Service (IRS) and an oil syndicate. The IRS had assessed additional income taxes against Twin Bell Oil Syndicate for fiscal years 1928 and 1929 based on its interpretation that certain transactions were sales rather than loans as claimed by the company. The court held that these transactions constituted taxable income to Twin Bell because they represented a sale or exchange of property rights rather than mere loans. This decision affirmed lower courts' rulings favoring the government's position, thereby reinforcing IRS authority to determine what constitutes taxable income under federal law.

In the dissenting opinion for Helvering v. Twin Bell Oil Syndicate, Justice Stone argued that the majority's decision was inconsistent with previous case law and misinterpreted tax code provisions. He believed that the syndicate should be treated as a corporation for tax purposes because it functioned like one, despite not being formally incorporated under state law. The majority had ruled otherwise based on their interpretation of "associations" in the relevant statute; however, Justice Stone contended this was an overly narrow view which ignored legislative intent to broadly define taxable entities. Furthermore, he expressed concern about potential abuse if businesses could avoid corporate taxation simply by choosing not to incorporate while still enjoying similar benefits and protections.