; daughter-in-law The terms son-in-law and daughter-in-law , used with respect to an employee, mean any person who is a spouse or domestic partner of a son or daughter, as the case may be, of the employee. (13) Uncle; aunt The terms uncle and aunt , used with respect to an employee, mean the son or daughter, as the case may be, of the employee's grandparent (other than the employee's parent). (d) Rule of construction Nothing in this section shall be construed to alter the sick leave or sick pay terms of any employment relationship or require payment of wages for hours not worked.