Wisconsin Motion Under 28 U.S.C. Sec. 2255 to Vacate, Set Aside or Correct a Sentence by a Person in Federal Custody — AO 243 is a legal motion used to challenge a federal criminal conviction. This motion is typically used when a person believes their conviction or sentencing was wrong, illegal, or unconstitutional. It allows a person in federal custody to ask the court to vacate, set aside, or correct their sentence. There are three types of Wisconsin Motion Under 28 U.S.C. Sec. 2255 to Vacate, Set Aside or Correct a Sentence by a Person in Federal Custody — AO 243: 1. Motiovacantat— – This motion is used to ask the court to “vacate” (cancel) an existing conviction or sentence. 2. Motion to Set Aside — This motion is used to ask the court to “set aside” (overturn) an existing conviction or sentence. 3. Motion to Correct — This motion is used to ask the court to “correct” (amend) an existing conviction or sentence. These motions must be filed in the federal court where the conviction or sentence occurred, and must include specific grounds for the motion and detailed facts to back up those grounds.