(110 ILCS 26/35)
    Sec. 35. Attorney General; investigations; issuance of subpoenas.
    (a) The Attorney General may conduct any investigation deemed necessary regarding possible violations of this Act including, but not limited to, the issuance of subpoenas to:
        (1) require the filing of a statement or report or
    
answer interrogatories in writing as to all information relevant to the alleged violations;
        (2) examine under oath any person who possesses
    
knowledge or information directly related to the alleged violations; and
        (3) examine any record, book, document, account, or
    
paper necessary to investigate the alleged violation.
    (b) Service by the Attorney General of any notice requiring a person to file a statement or report, or of a subpoena upon any person, shall be made:
        (1) personally by delivery of a duly executed copy
    
thereof to the person to be served or, if the person is not a natural person, in the manner provided in the Code of Civil Procedure when a complaint is filed; or
        (2) by mailing by certified mail a duly executed copy
    
thereof to the person to be served at his or her last known abode or principal place of business within this State.
    (c) If any person fails or refuses to file any statement or report, or obey any subpoena issued by the Attorney General, then the Attorney General may file a complaint in the circuit court for the:
        (1) granting of injunctive relief, restraining the
    
sale or advertisement of any merchandise by such persons, or the conduct of any trade or commerce that is involved; and
        (2) granting of such other relief as may be required;
    
until the person files the statement or report, or obeys the subpoena.
(Source: P.A. 96-261, eff. 1-1-10.)