10 ILCS 5/7-10.1
Each petition or certificate of nomination shall include as a part thereof, a statement for each of the candidates filing, or in whose behalf the petition or certificate of nomination is filed, said statement shall be subscribed and sworn to by such candidate or nominee before some officer authorized to take acknowledgment of deeds in this State and shall be in substantially the following form:
United States of America)) ss State of Illinois) I, .... do swear that I am a citizen of the United States and the State of Illinois, that I am not affiliated directly or indirectly with any communist organization or any communist front organization, or any foreign political agency, party, organization or government which advocates the overthrow of constitutional government by force or other means not permitted under the Constitution of the United States or the constitution of this State; that I do not directly or indirectly teach or advocate the overthrow of the government of the United States or of this State or any unlawful change in the form of the governments thereof by force or any unlawful means. ....................... Subscribed and sworn to by me on (insert date). ....................... (Notary Public) My commission expires: .....
10 ILCS 5/7-10.1