§ Rule 1 Scope
Rule 1. Scope
These rules govern a motion filed in a United States district court under 28 U.S.C. § 2255 by:
(a) a person in custody under a judgment of that court who seeks a determination that:
(1) the judgment violates the Constitution or laws of the United States;
(2) the court lacked jurisdiction to enter the judgment;
(3) the sentence exceeded the maximum allowed by law; or
(4) the judgment or sentence is otherwise subject to collateral review; and
(b) a person in custody under a judgment of a state court or another federal court, and subject to future custody under a judgment of the district court, who seeks a determination that:
(1) future custody under a judgment of the district court would violate the Constitution or laws of the United States;
(2) the district court lacked jurisdiction to enter the judgment;
(3) the district court's sentence exceeded the maximum allowed by law; or
(4) the district court's judgment or sentence is otherwise subject to collateral review.