F-1 Student Employment: CPT, OPT & Cap-Gap
Navigate curricular practical training, optional practical training, E-Verify extensions, and H-1B lottery status transitions safely.
Curricular Practical Training (CPT) Rules
CPT is alternative work/study, internship, or cooperative education authorized by your university DSO (Designated School Official) under your F-1 visa. It must be directly related to your major field of study and be an integral part of an established curriculum.
Post-Completion OPT Timeline (12 Months)
Standard Optional Practical Training (OPT) grants up to 12 months of employment authorization post-graduation. Timing your application is critical:
You can apply for OPT as early as **90 days before** your program end date. Applying early is highly recommended due to standard 2-3 month USCIS processing backlogs.
Your application (Form I-765) must be received by USCIS **no later than 60 days after** your graduation date. Furthermore, you must submit it to USCIS **within 30 days** of the date your DSO enters the OPT recommendation in SEVIS.
During your 12 months of standard OPT, you are allowed a cumulative maximum of **90 days of unemployment**. Exceeding this limit immediately terminates your F-1 visa status.
STEM OPT Extension (24 Months)
Students with qualifying Science, Technology, Engineering, or Math degrees can extend their OPT work rights for an additional 24 months (36 months total).
STEM Extension Compliance Rules:
| Requirement | Rule Details |
|---|---|
| Employer E-Verify | Your employer must be enrolled in the federal **E-Verify** database. You must include their E-Verify ID on your I-765 form. |
| Form I-983 Training Plan | You and your employer must sign a detailed training plan (Form I-983) and submit it to your school's DSO. **Do not mail Form I-983 to USCIS**—the DSO reviews it to issue your new STEM I-20. |
| Filing Window & 60-Day DSO Rule | Apply up to **90 days before** your post-completion OPT card expires. Your application must be received by USCIS before your OPT expires, and **within 60 days** of your DSO recommendation date. |
| Unemployment Buffer | STEM OPT grants an additional **60 days** of unemployment, raising your total allowable limit to **150 days** over the 36-month period. |
🛡️ Understanding the H-1B "Cap-Gap" Extension
If your employer sponsors you for the H-1B visa and your petition is selected in the April lottery and filed as a "Change of Status" with an October 1st start date, you are covered by **Cap-Gap**.
* **OPT Expires Before October 1:** If your OPT card expires between April 1 and September 30, the Cap-Gap **automatically extends** both your legal F-1 status and your employment authorization until September 30, allowing you to continue working uninterrupted. * **OPT Expires During Grace Period:** If your OPT card expires before April but you are in your 60-day grace period when the H-1B is filed, your legal presence is extended, but **you cannot work** during the Cap-Gap.
Critical Cap-Gap Warning: Do not travel outside the U.S. while on a Cap-Gap extension. If you leave the country, you cannot return on F-1 OPT and your H-1B Change of Status petition will be abandoned by USCIS.