(4) For the purposes of this section, an obligation and collateral security for its performance and successive claim arising under the same obligation shall be deemed respectively to constitute but one cause of action 31. Power of Court to Order Separate Trials:Where it appears to the Court that all causes of action in one suit cannot be conveniently tried or disposed of together, the Court may order separate trials or make such other order as may be expedient. 32. Institution of Suits:(1) unless the law provides otherwise, every suit shall be instituted by presentation of a written plaint by the plaintiff. (2) Suits by or against the Government or any of the Government departments, shall be instituted by or against the Civil Authority of New Sudan (CANS). (3) No suit shall be instituted against CANS or against a public servant in respect of any act purporting to be done by such public servant in his official capacity or during or by reason of discharge of his duty unless and until either the plaintiff or the Court, as the case may be, have served notice of the claim or of the intention to institute proceedings, on the Attorney-General and two months (or such shorter period as the Attorney-General shall agree) shall have elapsed after such service. 33. Suing on Behalf of or Defending Persons Having Same Interest:(1) Where there is a number of persons having the same interest in one suit, one or more of such persons may, with the permission of the Court, sue or be sued, or may defend such suit, on behalf of or for the benefit of all persons so interested. But the Court shall in such case give notice of the institution of the suit to all such persons either by personal service or, where such service is, not reasonably practicable, by advertisement in newspapers or in such other manner as the County may direct. (2) Any person on whose behalf or for whose benefit a suit is instituted or defended under sub-section (1) shall be afforded a reasonable opportunity to object and may apply to be made a party to the suit. 34. Date on Which Suit Deemed Instituted:A suit is deemed to be instituted on the date of payment of Court fees or, if the plaintiff is excused from payment of fees by law or order of Court, on the date of presentation of the plaint. 35. Contents of Plaint:The plaint shall contain the following particulars:(a) The name of the Court in which the suit is instituted; (b) The name, profession, or occupation and place of residence of the plaintiff; (c) The name, profession, or occupation and place of residence of the defendant; 8