(755 ILCS 45/4-5.1)
    Sec. 4-5.1. Limitations on who may witness health care agencies.
    (a) Every health care agency shall bear the signature of a witness to the signing of the agency. None of the following may serve as a witness to the signing of a health care agency:
        (1) the attending physician or mental health service
    
provider of the principal, or a relative of the physician or provider;
        (2) an owner, operator, or relative of an owner or
    
operator of a health care facility in which the principal is a patient or resident;
        (3) a parent, sibling, or descendant, or the spouse
    
of a parent, sibling, or descendant, of either the principal or any agent or successor agent, regardless of whether the relationship is by blood, marriage, or adoption;
        (4) an agent or successor agent for health care.
    (b) The prohibition on the operator of a health care facility from serving as a witness shall extend to directors and executive officers of an operator that is a corporate entity but not other employees of the operator.
(Source: P.A. 96-1195, eff. 7-1-11.)