Massachusetts General Laws Part IV. Crimes, Punishments and Proceedings in Criminal Cases (Ch. 263-280) Ch. 276, § 62

If application is made to a person authorized to take bail in criminal cases in Suffolk county to accept bail out of court in a case in which no amount has been fixed, he shall, if the crime charged is not within the jurisdiction of the municipal court of the city of Boston, before fixing bail, cause notice of such application to be given to the district attorney or one of the assistant district attorneys for the Suffolk district, if any of said attorneys is at the time within said district.