625 ILCS 5/1-115.5
Section 1-115.5
(625 ILCS 5/1-115.5) Sec. 1-115.5. Domicile. A true, fixed, and permanent legal home of a person or the place to which the person intends to return even though the person may reside elsewhere. As a further explanation, "A person may have more than one residence but only one domicile". (Source: P.A. 90-89, eff. 1-1-98.)