The proceeding shall be brought in the name of the People of the State of Illinois by the Attorney General or State's Attorney of the proper county, either of his or her own accord or at the instance of any individual relator; or by any citizen having an interest in the question on his or her own relation, when he or she has requested the Attorney General and State's Attorney to bring the same, and the Attorney General and State's Attorney have refused or failed to do so, and when, after notice to the Attorney General and State's Attorney, and to the adverse party, of the intended application, leave has been granted by the circuit court.
735 ILCS 5/18-102