70 ILCS 1600/2
Whenever the commissioners, or a majority of the commissioners, of any park district located in whole or in part in any city having a population of two hundred thousand or more shall cause to be filed with the secretary of state a petition requesting the formation of an Exposition Authority under this Act the secretary of state shall issue a certificate of incorporation to the Exposition Authority by the name designated in such petition reciting that the purposes for which it has been incorporated and the powers of the corporation are set forth in "An Act to provide for the incorporation of Exposition Authorities" and the date of approval of said Act and if subsequently amended adding thereto the words "as amended."
Such petition shall be signed and verified under oath before some officer competent to take acknowledgment of deeds by at least a majority of the commissioners of such park district, and shall set forth the following: (1) a copy of a resolution passed by such park district authorizing the commissioners to file such petition; (2) the name of the proposed corporation which shall include the words "Exposition Authority"; (3) a description of the territorial area of the park district and of the site to be occupied by such Authority, together with a specification of the park area of the park district to be devoted to the use of such authority.
70 ILCS 1600/2