(425 ILCS 30/13.1) (from Ch. 127 1/2, par. 113.1)
    Sec. 13.1. Signals or illumination - 3. Nothing in this Act shall be construed to prohibit any resident wholesaler, dealer, or jobber to sell at wholesale any fireworks as are not herein prohibited; or the sale of any kind of fireworks provided the same are to be shipped directly out of the state; or the use of fireworks by railroads, public utilities, public and private carriers or other transportation agencies for signal purposes or illumination, or the sale or use of blank cartridges for a show or theater, or for signal or ceremonial purposes in athletic or sports events, or for use by military organizations.
(Source: P.A. 81-623.)