While on OPT, maintenance of your legal F-1 student status is contingent upon you reporting this information in a timely manner to ITU. Any employment start dates or changes in employer should be reported within 10 days of any change in your employment. As per Department of Homeland Security regulations, reporting is required every six months during the OPT period. This information should be reported to ITU as outlined below whether or not there has been a change in your employment situation.