35 ILCS 200/31-47
In all counties, each transfer declaration filed under this Law shall include a written statement by both the grantor or grantor's agent and the grantee or grantee's agent that the information contained in the declaration is true and correct to the best of his or her knowledge and belief. In counties of 3,000,000 or more inhabitants, the declaration shall also contain a written statement executed by the grantor or the grantor's agent verifying that, to the best of his or her knowledge, the name of the grantee shown on the deed or assignment of beneficial interest in a land trust is either a natural person, an Illinois corporation or foreign corporation authorized to do business or acquire and hold title to real estate in Illinois, a partnership authorized to do business or acquire and hold title to real estate in Illinois, or other entity recognized as a person and authorized to do business or acquire and hold title to real estate under the laws of Illinois. In counties of 3,000,000 or more inhabitants, the declaration shall also contain a written statement executed by the grantee or the grantee's agent verifying that the name of the grantee shown on the deed or assignment of beneficial interest in a land trust is either a natural person, an Illinois corporation or foreign corporation authorized to do business or acquire and hold title to real estate in Illinois, a partnership authorized to do business or acquire and hold title to real estate in Illinois, or other entity recognized as a person and authorized to do business or acquire and hold title to real estate under the laws of Illinois.
35 ILCS 200/31-47