Massachusetts Superior Court Rule 62:
An attorney who, before the return day, has entered an appearance in behalf of a defendant in a criminal case in the Superior Court, may withdraw his appearance within fourteen days after the return day, provided that the attorney who shall represent the defendant at trial files an appearance simultaneously with such withdrawal. An attorney shall not withdraw his appearance otherwise, except by express leave of court.
(Applicable to criminal cases)
As amended June 26, 1980, effective September 1, 1980