215 ILCS 5/22
The net proceeds of all subscriptions to shares prior to the issuance of a certificate of authority to the company to transact business shall not be less than the paid up capital specified in the articles of incorporation and the required paid-in surplus. Payments upon subscriptions shall be made only in cash or securities that are eligible for investment under Article VIII. The part of the subscription price, that may be used for commission, promotion, organization, and other expenses, in no event shall be in excess of 15% of the amount collected on the respective subscriptions and in no case shall such expenses be paid out of the subscription proceeds until such time as the sale of all of the shares constituting the offering has been completed.
215 ILCS 5/22