755 ILCS 43/65: Restrictions on who may witness declaration.

None of the following may serve as a witness to the signing of a declaration:

(1) The attending physician or mental health service provider 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; or

(3) A person related to the principal by blood, marriage, or adoption.