(820 ILCS 154/5)
    Sec. 5. Definitions. In this Act:
    "Assisted reproduction" means a method of achieving a pregnancy through an artificial insemination or an embryo transfer and includes gamete and embryo donation. "Assisted reproduction" does not include any pregnancy achieved through sexual intercourse.
    "Child" means an employee's son or daughter who is a biological, adopted, or foster child, a stepchild, a legal ward, or a child of a person standing in loco parentis.
    "Covered family member" means an employee's child, stepchild, spouse, domestic partner, sibling, parent, mother-in-law, father-in-law, grandchild, grandparent, or stepparent.
    "Department" means the Department of Labor.
    "Domestic partner", used with respect to an unmarried employee, includes:
        (1) the person recognized as the domestic partner
    
of the employee under any domestic partnership or civil union law of a state or political subdivision of a state; or
        (2) an unmarried adult person who is in a
    
committed, personal relationship with the employee, who is not a domestic partner as described in paragraph (1) to or in such a relationship with any other person, and who is designated to the employee's employer by such employee as that employee's domestic partner.
    "Department" means the Department of Labor.
    "Employee" means eligible employee, as defined by Section 101(2) of the federal Family and Medical Leave Act of 1993 (29 U.S.C. 2601 et seq.).
    "Employer" means employer, as defined by Section 101(4) of the federal Family and Medical Leave Act of 1993 (29 U.S.C. 2601 et seq.).
(Source: P.A. 102-1050, eff. 1-1-23.)