United States v. Sprague, 282 U.S. 716 (1931): "[A]rticle 5 is clear in statement and in meaning, contains no ambiguity and calls for no resort to rules of It provides two methods for proposing amendments.
Because of the political question doctrine and the Court's ruling in the 1939 case of Coleman v. Miller (307 U.S. 433), it remains an open question whether federal courts could assert jurisdiction over a legal challenge to Congress, if Congress were to refuse to call a convention.