Key takeaways
- File Form I-765 before your current OPT expires — up to 90 days early. Miss that window and the extension is gone.
- If you file on time, you may keep working for up to 180 days while USCIS adjudicates.
- Form I-983 is a real training plan requiring employer commitment, supervision, and self-evaluations — not a formality.
- Reporting obligations continue for the full 24 months: validation every 6 months, material changes within 10 days.
The STEM OPT extension adds 24 months to your post-completion OPT, taking you from 12 months of work authorization to 36. It is the most valuable benefit available to F-1 students in qualifying fields — and it comes with the most ongoing compliance obligations. This guide covers eligibility, the application itself, and what you are responsible for after approval.
Eligibility requirements
You must satisfy all of the following. There is no partial qualification and no discretionary waiver.
- You are currently in a valid period of post-completion OPT.
- Your degree carries a CIP code on the DHS STEM Designated Degree Program List.
- The degree was awarded by a school that is both SEVP-certified and accredited by a U.S. Department of Education-recognized accreditor.
- Your employer is enrolled in E-Verify and will use it for you.
- Your employer will complete and sign Form I-983.
- You are in a bona fide employer-employee relationship, working at least 20 hours per week, paid.
The filing window
You may file up to 90 days before your current OPT employment authorization expires. You must file before it expires. This is the deadline students most commonly miss, and there is no remedy once your OPT has ended.
Because processing times fluctuate and can stretch for months, file as close to the 90-day mark as you can. Filing early costs you nothing; filing late costs you the extension.
Step by step
- Confirm your CIP code appears on the current DHS STEM list, and confirm your employer is enrolled in E-Verify.
- Complete Form I-983 with your employer. This requires genuine effort from both of you — see the section below.
- Submit the signed I-983 to your DSO for review.
- Your DSO reviews the plan, updates your SEVIS record, and issues a new I-20 with the STEM OPT recommendation.
- File Form I-765 with USCIS within 60 days of your DSO issuing that I-20, and before your current OPT expires.
- Include the required evidence: the new I-20, a copy of your STEM degree, your current EAD, and the filing fee.
- Track your case and respond to any Request for Evidence promptly.
- On approval, you receive a new EAD covering the 24-month extension.
Form I-983: the part people underestimate
The I-983 is a formal training plan, and it is the document most likely to generate an RFE. It is not a job description. It must articulate specific learning objectives, explain how the training connects to your degree, describe supervision and oversight, and set out how your performance will be measured.
Your employer must also attest that the training is commensurate with what similarly situated U.S. workers receive in duties, hours, and compensation — the extension is not a route to below-market labor. Vague, generic plans copied from templates are a common cause of delay.
Self-evaluations
- A first self-evaluation is due 12 months after the extension begins.
- A final self-evaluation is due at the conclusion of the 24-month period.
- Both require your signature and your supervisor's.
- Keep signed copies indefinitely — you may need them years later.
Reporting duties during the extension
STEM OPT carries continuing obligations that standard OPT does not. Missing them is a status violation even if you are working lawfully and everything else is in order.
| Event | Deadline |
|---|---|
| Validation report confirming your details are current | Every 6 months |
| Change of legal name or residential address | Within 10 days |
| Change of employer or loss of employment | Within 10 days |
| Material change to your training plan (role, duties, hours) | Within 10 days, via an amended I-983 |
| Employer's name or EIN changes | Within 10 days |
Common reasons applications fail
- Filing after the current OPT has already expired.
- Filing the I-765 more than 60 days after the DSO issued the STEM I-20.
- An employer not enrolled in E-Verify at the time of filing.
- A thin or templated I-983 with no specific learning objectives.
- A CIP code that does not actually appear on the DHS list.
- A degree from a school that is SEVP-certified but not accredited.
- Signature or fee errors — mundane, and still a frequent cause of rejection.
Most of these are avoidable with a checklist and an early start. Begin the conversation with your employer and DSO at least four months before your OPT expires, so that a problem with E-Verify enrollment or the training plan surfaces while you still have time to solve it.
Frequently asked questions
- Can I apply for STEM OPT after my OPT has already expired?
- No. The application must be filed while your post-completion OPT is still valid. Once it expires you enter the 60-day grace period and the extension is no longer available.
- Can I work while my STEM OPT application is pending?
- Yes, if you filed on time. A timely, properly filed application extends your employment authorization automatically for up to 180 days while USCIS adjudicates.
- Can I change employers during the 24-month extension?
- Yes. Each new employer must be enrolled in E-Verify and must complete a new Form I-983. You must report the change to your DSO within 10 days.
- What if my employer is not enrolled in E-Verify?
- They must enroll before you can use them for STEM OPT. Enrollment is free and handled online, so it is worth asking — but the decision is theirs, and some decline.
- Does the STEM extension give me more H-1B lottery attempts?
- Yes, and this is its main strategic value. Twelve months of OPT typically allows one registration cycle; 36 months typically allows three.
- Can I do STEM OPT with a degree earned earlier, from a previous program?
- In some circumstances you may use a previously earned STEM degree to qualify, provided it was awarded within the preceding 10 years by an accredited, SEVP-certified school and you are working in a related field. Confirm the specifics with your DSO.
Official sources
About the author
Ravi Kumar — Ravi Kumar writes on F-1 practical training and employment authorization. Content is reviewed against current USCIS and SEVP guidance before publication.
Disclaimer: This article is general information about U.S. immigration regulations and is not legal advice. Immigration rules change frequently and apply differently to individual circumstances. Verify current requirements with official government sources and consult a licensed immigration attorney or your Designated School Official before acting on anything you read here. Last reviewed April 28, 2026.
