Such information shall be addressed to the court before which the trial is to be had and shall specify, with reasonable certainty, the offense, offenses or other grounds of impeachment charged against the officer within the provisions of Section 173 of Article 7 of the constitution and shall contain a succinct statement of the facts constituting the matters complained of and an appropriate prayer for process and relief and shall be signed by the Attorney General, district attorney or by counsel, as the case may be. When such information is by taxpayers, the names of such taxpayers must be joined as plaintiffs with the state.