5 ILCS 430/5-35
Contributions shall not be intentionally solicited, accepted, offered, or made on State property by public officials, by State employees, by candidates for elective office, by persons required to be registered under the Lobbyist Registration Act, or by any officers, employees, or agents of any political organization, except as provided in this Section. For purposes of this Section, "State property" means any building or portion thereof owned or exclusively leased by the State or any State agency at the time the contribution is solicited, offered, accepted, or made. "State property" does not however, include any portion of a building that is rented or leased from the State or any State agency by a private person or entity.
An inadvertent solicitation, acceptance, offer, or making of a contribution is not a violation of this Section so long as reasonable and timely action is taken to return the contribution to its source.
The provisions of this Section do not apply to the residences of State officers and employees, except that no fundraising events shall be held at residences owned by the State or paid for, in whole or in part, with State funds.
5 ILCS 430/5-35