This document discusses different types of optional practical training (OPT) including: required forms, processes, and updating SEVIS. Focus on what you want to learn and how your education will be enhanced across the 24 months you will be engaged in training.If a student's OPT application is denied, they will receive an OPT Denial Notice from USCIS within 2 weeks, explaining the reason for the denial. File both forms at the location specified for the other application or petition. For example, if you are filing Form I-765 with Form I-539 or Form I-485. I have had several students get denied over the years. Number one reason: Applied late. Thousands of foreign students may have used false employment records at more than a dozen potential shell companies to illegally stay in the country. • Check "Yes" if you STEM OPT extension is based on a previously‐earned US STEM degree. You are locked out of your account.