(40 ILCS 5/1-110) (from Ch. 108 1/2, par. 1-110)
    Sec. 1-110. Prohibited Transactions.
    (a) A fiduciary with respect to a retirement system, pension fund, or investment board shall not cause the retirement system or pension fund to engage in a transaction if he or she knows or should know that such transaction constitutes a direct or indirect:
        (1) Sale or exchange, or leasing of any property from the retirement system or pension
    
fund to a party in interest for less than adequate consideration, or from a party in interest to a retirement system or pension fund for more than adequate consideration.
        (2) Lending of money or other extension of credit from the retirement system or pension
    
fund to a party in interest without the receipt of adequate security and a reasonable rate of interest, or from a party in interest to a retirement system or pension fund with the provision of excessive security or an unreasonably high rate of interest.
        (3) Furnishing of goods, services or facilities from the retirement system or pension
    
fund to a party in interest for less than adequate consideration, or from a party in interest to a retirement system or pension fund for more than adequate consideration.
        (4) Transfer to, or use by or for the benefit of, a party in interest of any assets of a
    
retirement system or pension fund for less than adequate consideration.
    (b) A fiduciary with respect to a retirement system or pension fund established under this Code shall not:
        (1) Deal with the assets of the retirement system or pension fund in his own interest or
    
for his own account;
        (2) In his individual or any other capacity act in any transaction involving the
    
retirement system or pension fund on behalf of a party whose interests are adverse to the interests of the retirement system or pension fund or the interests of its participants or beneficiaries; or
        (3) Receive any consideration for his own personal account from any party dealing with
    
the retirement system or pension fund in connection with a transaction involving the assets of the retirement system or pension fund.
    (c) Nothing in this Section shall be construed to prohibit any trustee from:
        (1) Receiving any benefit to which he may be entitled as a participant or beneficiary in
    
the retirement system or pension fund.
        (2) Receiving any reimbursement of expenses properly and actually incurred in the
    
performance of his duties with the retirement system or pension fund.
        (3) Serving as a trustee in addition to being an officer, employee, agent or other
    
representative of a party in interest.
    (d) A fiduciary of a pension fund established under Article 3 or 4 shall not knowingly cause or advise the pension fund to engage in an investment transaction when the fiduciary (i) has any direct interest in the income, gains, or profits of the investment adviser through which the investment transaction is made or (ii) has a business relationship with that investment adviser that would result in a pecuniary benefit to the fiduciary as a result of the investment transaction.
    Violation of this subsection (d) is a Class 4 felony.
    (e) A board member, employee, or consultant with respect to a retirement system, pension fund, or investment board subject to this Code, except those whose investments are restricted by Section 1-113.2, shall not knowingly cause or advise the retirement system, pension fund, or investment board to engage in an investment transaction with an investment adviser when the board member, employee, consultant, or their spouse (i) has any direct interest in the income, gains, or profits of the investment adviser through which the investment transaction is made or (ii) has a relationship with that investment adviser that would result in a pecuniary benefit to the board member, employee, or consultant or spouse of such board member, employee, or consultant as a result of the investment transaction. For purposes of this subsection (e), a consultant includes an employee or agent of a consulting firm who has greater than 7.5% ownership of the consulting firm.
    Violation of this subsection (e) is a Class 4 felony.
(Source: P.A. 95-950, eff. 8-29-08; 96-6, eff. 4-3-09.)