6. Suits by and against societies.—Every society registered under this Act may sue or be sued in the name of the president, chairman, or principal secretary, or trustees, as shall be determined by the rules and regulations of the society and, in default of such determination, in the name of such person as shall be appointed by the governing body for the occasion: Provided that it shall be competent for any person having a claim, or demand against the society, to sue the president or chairman, or principal secretary or the trustees thereof, if on application to the governing body some other officer or person be not nominated to be the defendant.