Notice of the petition shall be by writ of subpoena according to the usual course of proceedings in equity and shall be returnable fourteen days after the date on which the petition is filed.
A subpoena issued upon an election petition shall be served not less than seven days before the return day.
A defense to an election petition shall be by answer, filed within seven days after the return day, and no replication need be filed.
Election petitions shall be entered on the equity docket.
As to every such violation, either that
Mass. Gen. Laws ch. 55, § 33