Mass. Gen. Laws ch. 33A, § 43
Article 43. Statute of limitations.
(b)
(e) When the United States is at war or when the commander-in-chief declares a state of emergency in accordance with state law, the running of a statute of limitations applicable to any offense under this chapter is suspended until 3 years after the termination of hostilities as proclaimed by the president of the United States, by a joint resolution of congress or by the commander-in-chief for offenses:
(f) If charges or specifications are dismissed as defective or insufficient for any cause and the period prescribed by the applicable statute of limitations has expired or will expire within 180 days after the date of dismissal of the charges and specifications, trial and punishment under new charges and specifications are not barred by the statute of limitations if the new charges and specifications: