(a) Unlawful Restraint. Any person who is imprisoned or whose liberty is restrained pursuant to a criminal conviction may at any time, as of right, file a written motion requesting the trial judge to release him or her or to correct the sentence then being served upon the ground that the confinement or restraint was imposed in violation of the Constitution or laws of the United States or of the Commonwealth of Massachusetts. (b) New Trial. The trial judge upon motion in writing may grant a new trial
(Applicable to District Court and Superior Court) (a) Revision or Revocation. (1) Illegal Dispositions. The trial judge, upon the judge's own motion, or the written motion of the prosecutor, filed within sixty days of a disposition, may revise or revoke such disposition if the judge determines that any part of the disposition was illegal. (2) Unjust Dispositions. The trial judge, upon the judge's own motion, or the written motion of a defendant, filed within sixty days of a disposition, within sixty
(Applicable to Superior Court and de novo trials in District Court) (a) Imprisonment. If a sentence of imprisonment is imposed upon conviction of a crime, the entry of an appeal shall not stay the execution of the sentence unless the judge imposing it or, pursuant to Mass. R. App. P. 6, a single justice of the court that will hear the appeal, determines in the exercise of discretion that execution of said sentence shall be stayed pending the determination of the appeal. If execution of a sentence
(a) Civil Cases (1) Stay Must Ordinarily Be Sought in the First Instance in Lower Court; Motion for Stay in Appellate Court. In civil cases, an application for a stay of the judgment or order of a lower court pending appeal, or for approval of a bond under Rule 6(a)(2), or for an order suspending, modifying, restoring, or granting an injunction during the pendency of an appeal must ordinarily be made in the first instance in the lower court. A motion for such relief may be made to the appellate court