The auxiliary police or other personnel originally organized by civil defense agencies under state or federal civil defense laws shall not be used or called upon for service as such in any industrial or labor dispute or to regulate picketing in connection with a strike.
Mass. Gen. Laws ch. 149, § 23B
Use of civil defense personnel in labor disputes
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.