610 ILCS 10/4
If at such annual or special meeting said changes, or any of them, be submitted to a vote, and if it shall appear that votes representing 2/3 of all the voting power of the outstanding stock of said company entitled to vote thereon and also, in the case of any such change in respect to the capital stock, that votes representing a majority (or such greater proportion as said articles may require) of all the outstanding shares of each class of stock of said company, are cast in favor of the approval of said changes or any of them, so submitted, a certificate setting forth such approval thereof, verified by the affidavit of the president or vice-president and under the corporate seal of said company, shall be filed in the office of the Secretary of State, and a like certificate filed for record in the office of the recorder of the county where the principal business office of such corporation is located. Upon the filing of the certificate in the office of the Secretary of State, the change or changes proposed and so approved at such meeting of the stockholders, shall be, and are hereby declared, accomplished, and the articles of incorporation or consolidation of the company shall be deemed to be amended in accordance with said vote of the stockholders:
Any such company authorized by its articles of incorporation or consolidation to have shares of capital stock without par value may, from time to time, issue and sell or otherwise dispose of any such shares for such consideration as may be provided for in said articles or as may be fixed by the board of directors pursuant to authority conferred by said articles. When the consideration for which any such share was authorized to be issued, shall have been received by the company, such share shall be deemed to be fully paid and non-assessable. The consideration received for any shares of capital stock without par value shall be truthfully stated, wherever required, in all papers required to be filed in the office of the Secretary of State, and in case such shares are issued for property, the appraised value of such property shall be given.
610 ILCS 10/4