Section 2. Whoever, being present and being so commanded to assist in arresting such rioters or persons so unlawfully assembled, or in suppressing such riot or unlawful assembly, refuses or neglects to obey such command, or, if required by such magistrate or officer to depart from the place, refuses or neglects so to do, shall be considered one of the rioters or persons unlawfully assembled, and shall be punished by imprisonment for not more than one year or by a fine of not less than one hundred dollars or more than five hundred dollars, or both.
Structure Massachusetts General Laws
Part IV - Crimes, Punishments and Proceedings in Criminal Cases
Title I - Crimes and Punishments
Chapter 269 - Crimes Against Public Peace
Section 1 - Dispensing and Suppressing Unlawful Assembly; Arresting Persons
Section 3 - Neglect or Refusal to Exercise Authority to Suppress Assembly
Section 4 - Requiring Aid; Dispersing and Suppressing Assembly; Seizure of Persons
Section 5 - Armed Forces Obeying Orders for Suppressing Riot and Dispersing and Arresting Persons
Section 6 - Person Killed or Wounded as Result of an Assembly; Guilt and Responsibility
Section 7 - Injury to Building or Vessel by Persons Unlawfully Assembled
Section 8 - Destruction of or Damage to Property by Persons Riotously Assembled; Liability of Town
Section 10a - Selling, Giving or Using Silencers; Confiscation and Destruction
Section 10c - Tear Gas; Use in Commission of Crimes
Section 10d - Body Armor; Use in Commission of Crime
Section 10j - Breaking and Entering Building, Ship, Vessel or Vehicle to Steal Firearm; Penalty
Section 11 - Printing Statutes for Posters; Display
Section 11e - Serial Identification Numbers on Firearms
Section 12 - Manufacturing and Selling Knives, Slung Shots, Swords, Bludgeons and Similar Weapons
Section 12a - Air Rifles; Sale to Minors
Section 12b - Air Rifles; Possession by Minors; Shooting
Section 13 - False Alarms of Fire
Section 13a - False Reports to Police Officers
Section 14a - Annoying Telephone Calls or Electronic Communication
Section 15 - Stink Bombs; Sale
Section 16 - Arrowheads Used for Hunting; Sale
Section 17 - Hazing; Organizing or Participating; Hazing Defined