Land Court Rules  Land Court Standing Order 1-97: Notice under GL c.185, § 39

Whenever the plaintiff in a complaint for registration of title or for confirmation of title without registration requests to have the line of a public way determined, the Recorder is hereby ordered to give notice of the complaint by mailing a certified letter, including a copy of the complaint, to the mayor of the city or to one of the selectmen of the town or towns where the land lies, or, if the way is a highway, to one of the county commissioners of the county or counties where the land lies.

Whenever the land involved in a complaint for registration of title or for confirmation of title without registration borders on a river, navigable stream or shore, or on an arm of the sea where a river or harbor line has been established, or on a great pond, or if it otherwise appears from the complaint or the proceedings that the commonwealth may have a claim adverse to that of the plaintiff, notice shall be given by the Recorder by mailing a certified letter, including a copy of the complaint, to the attorney general.