An Idaho Motion to Vacate Sentence (2255) is a legal motion that can be filed in federal court in the state of Idaho. It is a motion to vacate (set aside) a person’s sentence for a federal crime, and can be used to challenge the legality of a conviction or sentence on the basis of certain violations of the defendant's constitutional rights. This procedure is available in all states, but the specific rules and procedures vary by state. In Idaho, the motion to vacate sentence is based on 28 U.S.C. Section 2255. This is a federal law that allows a person convicted in federal court to file a motion to vacate, set aside, or correct their sentence. The motion must be based on a claim that the sentence was imposed in violation of the Constitution or laws of the United States, or that the court was without jurisdiction to impose the sentence, or that the sentence was in excess of the maximum authorized by law, or is otherwise subject to collateral attack. There are three main types of Idaho Motion to Vacate Sentence (2255): a direct appeal, a habeas corpus petition, and a motion to reduce sentence. A direct appeal is a motion to vacate a sentence based on an error of law or fact. A habeas corpus petition is a motion to vacate a sentence based on the claim that the sentence is unconstitutional or otherwise unlawful. And a motion to reduce sentence is a motion to have the sentence reduced on the basis of a new or changed law or fact.