F-1 students approved for post-completion Optional Practical Training (OPT) based on a bachelor’s, master or doctorate degree in a certain STEM (science, technology, engineering, mathematics) field may be eligible for a 7-month extension of their current 17-month STEM extension or may be eligible for the new 24-month STEM extension.


  • The new 24-month STEM OPT rule is effective as of Tuesday, May 10, 2016

  • Effective September 1, 2017 there is now an additional $150.00 ISS OPT processing fee

Check out the following documents for more information: 

Handout for STEM 24-month OPT extension


Checklist for STEM 24-month OPT extension


Sample Employer Affidavit