and imprisonment, or either, and administer oaths. It has general superintendence of all inferior courts for the prevention and correction of errors and abuses where the law does not expressly provide a remedy and has control of all records and documents in the custody of its clerks. Whenever justice or the public good requires, it may order the expunging from the records and papers on file in any case which has gone to judgment of any name or other part thereof unnecessary to the purpose and effect of said judgment. It may issue all writs and processes, not within the exclusive jurisdiction of the Superior Court, necessary for the furtherance of justice or the execution of the laws in the name of the State under the seal of said court, attested by any justice not a party or interested in the suit and signed by the clerk.

Supreme Judicial Court in each of said counties over parties, the arrest of persons, attachment of property, the time and mode of service of precepts, proceedings in court, the taxation of costs, the rendition of judgments, the issuing, service and return of executions and all other subjects apply to the Superior Court in all respects, except so far as they are modified by law, and the Superior Court is clothed with all the powers necessary for the performance of all its duties.

any statute or a bylaw of a town, village corporation or local health officer and breach of the peace, for which the maximum term of imprisonment to which the defendant may be sentenced upon conviction of that crime is less than one year.

3.  Crimes; One Year or More Imprisonment. The District Court has, concurrent with the Superior Court, original jurisdiction to receive pleas of guilty in criminal cases, other than murder, in which: A. The maximum term of imprisonment to which the defendant may be sentenced upon conviction of that crime is one year or more; B. The defendant has in writing waived the defendant's right to indictment by grand jury and the defendant's right to a jury trial; and C. The defendant has indicated the defendant's intention to enter a plea of guilty to the charges pending against the defendant. When exercising such jurisdiction, the District Court possesses all of the powers of the Superior Court. The District Court shall exercise that jurisdiction in the manner that the Supreme Judicial Court by rule provides. Any person sentenced under this subsection is entitled to the rights provided by Title 15, chapter 306-A.

the practice and procedure in civil actions at law. Said rules may neither abridge, enlarge nor modify the substantive rights of any litigant. They take effect on such date not less than 6 months after their promulgation as the Supreme Judicial Court may fix. After their promulgation the Supreme Judicial Court may repeal, amend, modify or add to them from time to time with or without a waiting period. After the effective date of said rules as promulgated or amended, all laws in conflict therewith are of no further force or effect.