Persons, firms and corporations buying, selling or exchanging at such public market shall have the right to associate themselves together in an association or organization, and such association or organization may make and enforce reasonable rules and regulations for the government of the association or organization and for the government of its members, in relation to their buying, selling or exchanging at such public market, but it shall be unlawful for any such association or organization, or for any officer or officers thereof, to make any order, rule, regulation or bylaw limiting the right of any member of the association or organization to distribute, in whatever manner and at whatever times the member may desire, to the persons composing any partnership in which the member is financially interested or to the shareholders of any corporation or cooperative association in which such member is a shareholder, the profits of such member to the persons composing such partnership or to the shareholders of such corporation or cooperative association, in proportion to the quantity of cattle, hogs or sheep shipped to or from such member by the persons composing such partnership or the shareholders of such corporation or cooperative association, and any such order, rule, regulation or bylaw now or hereafter made, promulgated or adopted shall be invalid and void.