When to Apply for the 24 Month STEM OPT Extension
You can submit Form I-765, Application for Employment Authorization and all required documents to ISS up to 90 days before
your current post-completion OPT employment authorization expires. Your application will be denied if you do not file your application with USCIS within 60 days of the date that your STEM OPT I-20 is issued.
You may not apply
for STEM OPT extensions during the 60-day grace period of post-completion OPT.
Use the following tools to help you calculate your specific application period:
Continuation of Employment
USCIS may take up to 90 days to process your application. If you file your OPT STEM extension application in a timely manner, you will receive an extension of employment authorization while your application is pending for up to 180 days
, or the date of the decision over your request, whichever date is earlier.