Claims

Brushaber held the income tax constitutional under the Sixteenth Amendment — not that Frank Brushaber was a nonresident alien

Unsupported 5 min read May 10, 2026

The proposition

The Supreme Court’s decision in Brushaber v. Union Pacific Railroad Co., 240 U.S. 1 (1916), did not classify Frank Brushaber as a nonresident alien, did not limit the income tax to a “federal zone,” and did not rest any part of its holding on Brushaber’s specific citizenship averments. The case held the income tax constitutional under the Sixteenth Amendment, on three independent constitutional grounds.

What the Court actually held

The Court rejected three constitutional challenges to the income tax under the Revenue Act of 1913:

  1. Sixteenth Amendment / apportionment. The Court held that the Sixteenth Amendment removed the apportionment requirement for income taxes. From the opinion:

    “the whole purpose of the Amendment was to relieve all income taxes when imposed from apportionment from a consideration of the source whence the income was derived”

  2. Fifth Amendment due process. The Court found no due process defect in the Act’s specific provisions.

  3. Geographical uniformity. The Court held the tax uniform within the meaning of Article I, § 8, cl. 1.

The Court upheld the income tax. None of the three holdings contains a federal-zone limitation, a nonresident-alien classification of Brushaber, or any geographic limitation narrower than the constitutional reach of Congress’s general taxing power.

What the Court said about Brushaber’s citizenship

The opinion’s complete treatment of Brushaber’s citizenship and residence:

“Aside from averments as to citizenship and residence, recitals as to the provisions of the statute…”

That is the full extent. The Court acknowledges that the bill of complaint contained averments on those topics, declines to specify what they were, and proceeds to the constitutional questions. The opinion does not describe Brushaber as identifying himself as a state citizen rather than a U.S. citizen, does not treat him as a nonresident alien, and does not rest any holding on his citizenship averments.

What Mitchell claims, and what the opinion supports

Mitchell’s claim (The Federal Zone)What the opinion contains
Brushaber identified as “a citizen of the State of New York” rather than a U.S. citizenNo such description in the opinion
The government treated Brushaber as a nonresident alienNo such holding
The Court upheld the income tax only as applied to income from the “federal zone”No such limitation in any holding
TD 2313 confirmed the federal-zone limitationEven granting Mitchell’s reading of TD 2313, § 7701(b) (1984) supersedes
Americans in the fifty states are nonresident aliens by parity§ 7701(b)(1)(B) excludes U.S. citizens from the nonresident-alien category by express text

The reinterpretation fails at primary source on every step.

The Sixteenth Amendment, read straight

Brushaber’s actual analytical contribution was its harmonization of Pollock v. Farmers’ Loan & Trust Co., 158 U.S. 601 (1895) and the Sixteenth Amendment. Pollock had treated the income tax on rents from real property as a direct tax requiring apportionment by population. The Sixteenth Amendment removed that requirement. Brushaber held that the Amendment did not reclassify the income tax — the tax was an indirect tax all along — but rather removed the Pollock-imposed requirement that some applications of it be apportioned by reference to income source.

The Court’s language is the opposite of a federal-zone limitation. The Sixteenth Amendment removed the source-of-income relevance from the apportionment analysis — making the income tax operative without geographic limitation, not limiting it to a narrower geographic field.

The statutory definition that closes the loop

Even granting Mitchell every charity on the historical-document question (TD 2313), the Brushaber reinterpretation has a second-order problem. The IRC’s current definition of “nonresident alien” is express:

“An individual is a nonresident alien if such individual is neither a citizen of the United States nor a resident of the United States (within the meaning of subparagraph (A)).” (26 U.S.C. § 7701(b)(1)(B))

A U.S. citizen — by the express text of an Act of Congress enacted in 1984 — cannot be a nonresident alien for IRC purposes. Whatever the 1916 Court did or did not say about Frank Brushaber, the current statutory framework forecloses the territorial- volunteer reading independently. This is treated in detail in the concept page on “nonresident alien” in the IRC.

The impedance position

The Brushaber question — whether the case supports the territorial-volunteer reading — was substantively engaged at apex in 1916, on the merits, by the Court that decided the case. The constitutional question was open then; the Court answered it; the holding has been binding precedent for over a century.

The post-1916 statutory question — whether U.S. citizens can be classified as nonresident aliens under the IRC — was substantively engaged by Congress in 1984, with explicit text excluding citizens from the nonresident-alien category. Both engagements occurred at the appropriate level. Both produced clear answers.

Subsequent re-raisings of the question by The Federal Zone and texts derivative of it get routed to circuit courts that apply the binding 1916 precedent and the 1984 statute together. The post-Brushaber procedural disposition by lower courts — applying binding apex precedent and an enacted statute — is what apex precedent + enacted statute produce, not what suppression looks like.

Verdict

Unsupported. The Brushaber reinterpretation in The Federal Zone fails at the primary source. The opinion does not classify Brushaber as a nonresident alien, does not limit the tax to a “federal zone,” and does not contain the analytical move Mitchell requires. The current IRC’s express definition of “nonresident alien” at § 7701(b)(1)(B) forecloses the territorial-volunteer reading independently of whatever Brushaber or TD 2313 said in 1916.