Today July 27 Limit Work Permits Back to USCIS. Do not miss this date to return the work permit documents (EAD) for three years were mistakenly sent after February 16. The Office of Immigration and Citizenship (USCIS) will begin home visits who refuse to voluntarily return these documents. After July 31, 2015 of whom will not return working documents will be canceled their permits and their application possibilities DACA without submitting a new application for the moment.