An act to amend section forty-eight of act numbered three thousand four hundred and twenty-five, entitled "an act providing for the organization of cooperative marketing associations, declaring their purposes and defining their powers, rights, and privileges; fixing the duties, rights, and liabilities of their directors, officers, employees, and members or stockholders; prescribing the conditions under which they may transact business, and the liabilities of and penalties for any person, firm, or corporation inducing breach of marketing contracts and spreading false reports about the finances or management of such associations; providing for government supervision and control over them; and for other purposes."