Art. 8657. PERMITTING EXCHANGES.  There may be organized in any city, town, or municipality in the State of Texas, voluntary associations to be known as cotton exchanges, grain exchanges, boards of trade, or similar institutions, to receive and post quotations on cotton, grain, stocks, or other commodities, for the benefit of its members and other persons engaged in the production of cotton, grain, or other commodities.  Such associations shall be composed of members and shall adopt a uniform set of rules and regulations not incompatible with the laws of Texas and of the United States.  They shall open their books to inspection of all proper courts and officers when required so to do.
Acts 1925, 39th Leg., p. 38, ch. 15, Sec. 7.