RSA 243:21: Procedure.

If 2 or more railroad corporations, at meetings of their respective stockholders, properly notified and held for the purpose, have agreed, by a 2/3 vote of the stock represented and voting at such meetings, to unite and form a single corporation, they may apply by petition to the superior court for the county of Merrimack for a determination of the question whether the public good will be promoted by such union; and if the court, after notice and finding of the facts, and a hearing, as provided in RSA 243:10-14, shall determine that the public good requires such union, and that stockholders of the respective corporations, at meetings duly held for the purpose, have voted in favor of it as aforesaid, they shall authorize the union to be made.