Optional Practical Training (OPT) gives F-1 students up to 12 months of work authorization in the United States directly related to their field of study. USCIS processes thousands of these applications each year, and a surprising number get rejected or delayed - not because of ineligibility, but because of avoidable timing errors and missing documents. Understanding the rules before you file can be the difference between starting your job on time and losing weeks of authorized work.

What Is OPT and Who Qualifies

OPT is a form of temporary employment authorization available to F-1 students under 8 CFR 214.2(f)(10). It comes in two forms: pre-completion OPT, which can be used before graduation, and post-completion OPT, which begins after the program end date. Most students apply for post-completion OPT, as it provides a full 12 months of work authorization without affecting enrollment status.

To be eligible, a student must have been enrolled full-time for at least one full academic year in a valid F-1 status. Students who have already used 12 months of full-time Curricular Practical Training (CPT) are no longer eligible for OPT, as 12 CFR 214.2(f)(10)(i) disqualifies them. Part-time CPT does not count against OPT eligibility, regardless of duration.

STEM degree holders - those graduating with degrees in science, technology, engineering, or mathematics on the USCIS-designated STEM list - can apply for a 24-month STEM OPT extension after their initial 12-month OPT period ends. This extension requires a valid job offer from an E-Verify employer and submission of Form I-983 (Training Plan for STEM OPT Students). The total authorized work period for STEM graduates can reach 36 months when both periods are combined.

Students in English language training programs are not eligible for OPT. Eligibility also requires that the student’s Designated School Official (DSO) recommends OPT in the Student and Exchange Visitor Information System (SEVIS) before the student files with USCIS. That DSO recommendation generates a new I-20 with an OPT recommendation notation, which must accompany the application.

Filing Window and Timing Requirements

The filing window for post-completion OPT is one of the most misunderstood aspects of the process. USCIS accepts Form I-765 (Application for Employment Authorization) no earlier than 90 days before the student’s program end date and no later than 60 days after that date. Missing either end of this window means automatic ineligibility for that OPT period.

USCIS current processing times for Form I-765 OPT applications fluctuate, but the agency targets 3 to 5 months in many cases. Because of this, filing as early as the 90-day window opens is strongly advisable. A student whose program ends on May 15 can file as early as February 14. If USCIS approves the application before the program end date, the Employment Authorization Document (EAD) card start date will still be set to the program end date or later - OPT does not begin while the student is still technically enrolled.

The OPT start date selected on the application must fall within 60 days after the program end date. Once USCIS issues the EAD, the start date is fixed and cannot be changed. Students who delay selecting their start date sometimes end up with authorization that begins before they have a job, burning through authorized days unnecessarily.

For pre-completion OPT, the filing window is different. Students can apply up to 90 days before they want employment to begin, but the requested start date cannot exceed the student’s program end date. Pre-completion OPT is used part-time during academic semesters and full-time during official school breaks, and any time used in pre-completion OPT is deducted from the 12-month post-completion allotment.

Common Reasons OPT Applications Are Rejected

USCIS rejects a significant portion of OPT applications for administrative reasons that have nothing to do with eligibility. The most common issue is a missing or incorrect I-20. The I-20 submitted must show the DSO’s OPT recommendation and must have been issued within the last 30 days of filing. Submitting an older I-20 that predates the DSO recommendation results in rejection.

Form I-765 errors are the second major cause of rejection. Students must select the correct eligibility category: (c)(3)(A) for pre-completion OPT, (c)(3)(B) for post-completion OPT, and (c)(3)(C) for STEM OPT extensions. Selecting the wrong category, leaving fields blank, or failing to sign the form will result in the application being rejected before it is even reviewed on the merits.

Photo requirements cause more rejections than most applicants expect. USCIS requires two passport-style photos that meet specific dimensions: 2 inches by 2 inches, with the face occupying 1 inch to 1 3/8 inches of the frame. Photos printed from a home printer on regular paper, photos with glasses (now prohibited under updated requirements), or photos with a non-white background are grounds for rejection.

The filing fee is another consistent stumbling block. As of the most recent USCIS fee schedule update effective April 1, 2024, the fee for Form I-765 is $520 for paper filings. Some STEM OPT extension filers incorrectly assume the extension is free or submit outdated fee amounts. USCIS does not process applications with incorrect payment and will return them without action, which can cost the applicant weeks of processing time.

Mailing errors also cause rejections that students rarely anticipate. USCIS has separate filing addresses for OPT applications based on the applicant’s state of residence, and these addresses differ between the Phoenix and Dallas lockbox facilities. Sending an application to the wrong facility results in rejection. USCIS publishes current filing addresses on its website, and students should verify the correct address within a few days of mailing, since these addresses occasionally change.

What Happens After You File

Once USCIS receives an application, it sends a Form I-797 receipt notice confirming the filing date and receipt number. This receipt notice is important but does not authorize work. A student cannot legally begin working until the EAD card arrives and the start date printed on the card has passed or arrived.

USCIS allows applicants to check case status online using the receipt number. If the application is still pending after the requested OPT start date, the student may have a 180-day cap-gap if in H-1B status, but standard OPT students in this situation cannot work until the EAD is physically in hand. If USCIS issues a Request for Evidence (RFE), the student has the time specified in the RFE notice - typically 87 days - to respond with the requested documentation.

Maintaining Status During and After OPT

F-1 students on OPT must update USCIS and their DSO within 10 days of any change of address, employer, or job title. Failure to maintain these updates is a status violation that can affect future visa applications. Students who do not find employment within 90 days of their OPT start date - or who accumulate more than 90 days of unemployment during the OPT period - fall out of F-1 status. STEM OPT holders are allowed a maximum of 150 days of unemployment across both OPT periods combined.

Next Steps Before You Apply

Request a DSO meeting at least 120 days before your program end date to allow time for the SEVIS recommendation and I-20 issuance before the 90-day filing window opens. Gather all required documents in advance: passport valid for at least six months beyond your intended OPT start date, all previous I-20s, two compliant photos, the correct I-765 form version (always download a fresh copy from USCIS to avoid using an expired edition), and a check or money order for the exact filing fee made payable to the U.S. Department of Homeland Security.

This article provides general information only. Readers should consult a licensed immigration attorney for guidance specific to their individual situation.

The current version of Form I-765 accepted by USCIS is edition 10/12/23, marked in the lower-left corner of the form’s first page.