110 ILCS 70/40
No person shall, in any room or building occupied for the discharge of official duties by any officer or employee subject to this act solicit orally or by written communication, delivered therein, or in any other manner, or receive any contribution of money or other thing of value, for any party or political purpose whatever, from any officer or employee subject to this act.
No officer, agent, clerk, or employee under the government of this State, who may have charge or control of any building, office or room, occupied for any purpose of said government, shall permit any person to enter the same for the purpose of therein soliciting or delivering written solicitations for, or receiving from, or giving notice to, any officer or employee subject to this act.
110 ILCS 70/40