320 ILCS 25/3.05a

"Additional resident" means a person who (i) is living in the same residence with a claimant for the claim year and at the time of filing the claim, (ii) is not the spouse of the claimant, (iii) does not file a separate claim under this Act for the same period, and (iv) receives more than half of his or her total financial support for that claim year from the household. Prior to July 1, 2012, an additional resident who meets qualifications may receive pharmaceutical assistance based on a claimant's application.