Mass. R. Sup. Ct. 65
(Applicable to criminal cases)
After imposing judgment and sentence in a case which has gone to trial on a plea of not guilty, the judge or clerk shall forthwith advise the defendant of his right to appeal, and the clerk shall execute a statement in writing to that effect.
The clerk shall have no duty to advise the defendant of any right of appeal after sentence is imposed following a plea of guilty or nolo contendere.
Defendant's counsel shall be responsible for perfecting and prosecuting the appeal unless such counsel is relieved of that responsibility, after a hearing on counsel's motion to withdraw.
An appeal under General Laws Chapter 278, Section 28 shall be claimed within thirty days after the judgment from which the appeal is taken.
Mass. R. Sup. Ct. 65