DHS Ends Duration of Status: What the F-1 Four-Year Rule Means

What changed

For nearly five decades, international students in the United States were admitted for something called duration of status, usually abbreviated D/S. It is an unusual concept in immigration law. Instead of receiving a specific expiry date, your I-94 arrival record simply said "D/S", meaning you were authorised to remain for however long you continued to pursue a full course of study and comply with the terms of your visa. A doctoral candidate whose research ran to seven years and an undergraduate who finished in three were, in legal terms, admitted on exactly the same open-ended basis. Your university's designated school official, the DSO, managed your status in the SEVIS system, and the federal government generally did not revisit your admission unless something went wrong.

That framework is now ending. DHS has finalized a rule replacing duration of status with a fixed period of admission for three nonimmigrant categories: F (academic students), J (exchange visitors) and I (representatives of foreign media). Under the final rule, F-1 and J-1 nonimmigrants are admitted for the length of their program, not to exceed four years at a time. The phrase "at a time" is doing a great deal of work in that sentence, and we return to it in detail in the next section because it is the single most misreported element of this story.

The I-visa numbers deserve a line of their own because they are dramatically tighter than the student provisions and are frequently blurred into the same headline. Foreign media representatives move to an admission period of up to 240 days, and Chinese nationals applying for I visas face a 90-day limit. If you are a journalist rather than a student, the four-year figure in most coverage has nothing to do with you.

The effective date is 15 September 2026. Until that date arrives, the existing regulations govern completely. Nothing about your current admission changes today, this week, or in August. If you are reading this in a group chat that is telling you to book a flight home, the calendar alone should slow you down. And if you are weighing the US against destinations that have not made this move, our student visa guide for 2026 sets out the comparison in full.

What a four-year admission period actually means

This is where almost every piece of coverage you have seen goes wrong, and where the difference between accurate and inaccurate information is the difference between finishing your degree and abandoning it for no reason. So we are going to be unusually blunt.

Consider the mechanics. Under the old system your I-94 said D/S and had no end date, so there was nothing to extend. Under the new system your I-94 will show a real date. That date is derived from the end date on your I-20 (for F-1) or DS-2019 (for J-1), subject to the four-year ceiling on any single admission period. If your program is a two-year master's, your admission period reflects that program, and four years never enters the picture. If your program is a six-year doctorate, you receive an admission period and then file to extend it. The four-year number is a ceiling on each individual grant of admission, not a lifetime allowance.

NAFSA, the professional association for international educators, has been explicit on precisely this point: the four-year maximum is not an aggregate cap on time spent in F-1 status. DHS itself has said that nothing in the rule prevents students from continuing their studies for as long as they comply with the terms of their status. Those two statements, from a body that is broadly critical of the rule and from the agency that wrote it, agree with each other. When the regulator and its loudest critic agree on a factual question, that question is settled.

So what has genuinely changed? The locus of control. Under duration of status, your continued presence was effectively school-managed. Your DSO updated SEVIS, your program extended, and no federal adjudicator was involved. Under the final rule, extending beyond your admission period is a federal decision made by USCIS, and a federal decision is a decision that can, in principle, be refused. That is a real and significant burden. It introduces cost, processing time, documentary preparation and adjudicative discretion into a process that previously had none of those things. It is a serious change and the people worried about it are not being irrational.

But it is a different burden from the one the headlines describe. "You now need government permission to stay past your admission period" is accurate. "You must leave after four years" is not. The first is a compliance and planning problem with a defined process attached. The second is a myth that has already prompted students to consider withdrawing from programs they are perfectly entitled to finish.

• Your admission period is tied to your program, as documented on your I-20 or DS-2019, and capped at four years for any single admission.
• Time already spent in F-1 status is not aggregated against a four-year lifetime total.
• Programs longer than four years continue through an Extension of Stay filed with USCIS.
• DHS has stated the rule does not prevent continued study by students who remain compliant.
• The practical change is who decides and what it costs you, not whether long programs remain possible.

The new Extension of Stay process

If your program will run past the end date on your I-94, you have two lawful routes. You file an Extension of Stay, commonly called an EOS, with USCIS before your current status expires. Or you depart the United States and seek readmission with a valid visa and updated documentation. For most students in the middle of a degree, the EOS is the route that makes sense, because departing mid-program means exposure to consular processing and the risk of being unable to return promptly.

The EOS is filed on Form I-539, the Application to Extend or Change Nonimmigrant Status. This is not a new form and not a new concept; it is the standard vehicle by which many nonimmigrant categories request more time. What is new is that roughly 1.2 million students and exchange visitors who previously never touched it may now need to, and that the machinery around it is heavier than the SEVIS updates students are used to.

• Timing is the whole game. The application must be filed with USCIS before your current period of admission expires. A late filing puts you in a materially worse position than a timely one.
• Extension applicants are subject to biometrics collection, background checks and fraud screening. This is a substantive vetting step, not a formality, and DHS has been open that this screening capability is much of the point of the rule.
• Oversight shifts from your DSO to federal adjudicators. Your DSO remains essential for your I-20 and your SEVIS record, but they no longer control the outcome.
• There are filing and biometrics fees, and USCIS fee schedules and processing times change. Check the current published figures on the USCIS website rather than trusting any number you read in an article, including numbers quoted in older versions of this one.
• Expect to re-document your case: proof of continued enrolment, evidence of financial support and evidence of normal progress toward your degree.

There is one long-standing protection that materially reduces the risk here, and it is not changing. F, J and I nonimmigrants may generally continue their authorized activities while a timely-filed Extension of Stay remains pending. In practice this means that if you file properly and on time, a slow USCIS queue does not by itself knock you out of your program while you wait. This is existing policy rather than a concession in the new rule, but it is the single most important operational fact for anyone facing a long adjudication, and it is why filing early matters so much more than filing perfectly.

The planning implication is straightforward. The moment your I-94 has a date on it, that date becomes the most important number in your academic life. Work backwards from it. Build your EOS filing into your program calendar the way you would build in a thesis deadline, and start the conversation with your DSO months ahead rather than weeks.

The 30-day grace period

One change in the final rule is unambiguously a tightening with no offsetting flexibility, and it has received far less attention than the four-year headline despite affecting essentially every F-1 student who graduates. The post-completion grace period for F-1 students is cut from 60 days to 30 days.

The grace period is the window after your program ends during which you may remain in the United States to prepare to depart, transfer to another school, or change status. Sixty days is a comfortable buffer. It absorbs a delayed job offer, a slow OPT decision, a family emergency, a lease that runs to month end, or the simple logistics of shipping a life across an ocean. Thirty days is a genuinely tight window, and it halves the room for error at the exact moment students are most distracted by graduation, job hunting and moving.

Similar departure rules apply if your program ends early, whether because you complete ahead of schedule, withdraw, or your program is terminated. The practical consequence is that early completion is no longer a neutral event. Finishing a semester ahead of plan starts a clock, and a shorter clock than the one your seniors dealt with.

If your post-graduation plan involves work authorization, this compression makes sequencing critical rather than merely advisable. Our guide to post-study work visa routes covers how the US options line up against other countries, and if you are working during your degree, the rules on working while studying abroad are worth reviewing alongside your new admission-period dates.

Who is most affected

The rule lands very unevenly. A large share of international students will barely notice it in practice, because a fixed admission period matched to a two-year master's or a four-year bachelor's degree completed on schedule does not require any extension at all. The burden concentrates on people whose programs are structurally longer than four years or whose paths are non-linear.

The concentration of impact matters for how you read the news. If you are an on-schedule master's student, a story written from the perspective of a sixth-year doctoral candidate is describing a problem you do not have. If you are that doctoral candidate, a reassuring story written for master's students is underselling your paperwork. Indian nationals make up the largest F-1 population in the United States and are heavily represented in exactly the graduate and doctoral programs where this bites hardest; our India nationality hub tracks the US routes most relevant to that cohort.

If you are already in the US

This is the second thing being widely misreported, and the one causing the most acute distress. Students currently in the United States on duration of status are not being immediately cut off on 15 September 2026.

The final rule includes transition provisions. Those already admitted in duration of status when the rule takes effect may generally remain through their current program period, or up to four additional years. That is a transition on-ramp, not a switch being thrown. Nobody in valid status wakes up on 16 September 2026 out of status because a rule changed the day before.

What this means concretely is that you have planning time, and you should use it rather than spend it refreshing social media. Your task between now and your own transition point is to know your dates, know your program end date, and know when your first EOS filing would realistically need to happen if your program runs long. For a first-year PhD student starting this autumn, that filing may be years away. For a fourth-year doctoral candidate, it is a near-term item that belongs on this semester's calendar.

Transition provisions are also exactly the kind of detail that gets flattened in a 400-word news story. Verify your own situation against your I-20 or DS-2019 and your DSO's reading of the rule, not against a summary written for a general audience, and certainly not against a comment thread.

Does this affect OPT, STEM OPT or CPT?

Short answer: per DHS, the practical training framework is not fundamentally altered by this rule. Optional Practical Training, the STEM OPT extension and Curricular Practical Training continue to exist on the terms students already know. This rule is about periods of admission, not about dismantling practical training.

The qualification that matters: an Extension of Stay may be required in conjunction with practical training in some cases. That follows logically from the change. If your admission period is now dated, and your training would carry you past that date, the training authorization and the admission period are two separate things that both need to line up. Under duration of status this problem could not arise, because there was no date to run past. Under the new framework, there is.

So the honest framing is neither "OPT is dead" nor "nothing changed". OPT survives; the sequencing around it gets harder, and the 30-day grace period cut compounds that by shrinking the buffer between program completion and whatever comes next. Anyone counting on practical training as the bridge to longer-term US work should map their dates carefully and read our post-study work visa comparison with the new timings in mind.

Timeline: what happens when

Rules move through a defined sequence, and knowing where this one sits tells you how much time you actually have. The compressed answer: the rule is final, but it is not yet operative.

Two cautions about that final block. First, we are not going to tell you this rule is permanent, because nobody can. A materially similar attempt to end duration of status was proposed in 2020 and did not survive. The rule is subject to congressional review requirements, and litigation over consequential immigration rules is the norm rather than the exception. Second, and pulling in the opposite direction, do not plan on the assumption that it will be blocked. Plan for the rule as written and treat any change as a bonus. Students who bet on the 2020 proposal disappearing were right; students who bet the same way on other 2026 changes were not. Betting your degree on litigation is not a plan.

Why DHS says it did this

DHS has been direct about its reasoning, and it is worth setting out in the agency's own framing rather than paraphrasing it into something softer or harsher than it is.

DHS Secretary Markwayne Mullin said the "outdated duration of status system" compromised national security and created an environment "ripe for immigration fraud". The department has said it identified cases of individuals remaining in the United States for decades under duration of status, and it frames the new rule as a law-enforcement and screening tool, one that gives federal adjudicators periodic opportunities to assess whether a student is making normal academic progress.

The internal logic is coherent even for those who dislike the outcome. Duration of status was, by design, a low-touch framework: after the initial visa issuance, the federal government rarely revisited an individual student's case, and oversight sat largely with universities. Fixed admission periods create recurring checkpoints at which biometrics, background checks and fraud screening can be applied. Whether those checkpoints are proportionate to the problem, and whether the problem is as large as the department suggests, is precisely what the argument is about.

It is also worth noting the framing that DHS did not adopt. The department did not present this as a measure to reduce the number of international students, and it explicitly said nothing in the rule prevents students from continuing their studies as long as they comply. That is a meaningful statement of intent, though intent and administrative reality are not the same thing, which is the heart of the criticism.

What critics say

Educational institutions and professional organizations have argued that fixed admission periods create significant challenges for students and for academic programs, and their objections are practical rather than ideological.

• Academic timelines are not administrative timelines. Research does not conclude on schedule because a period of admission expires. Dissertations stall, experiments fail, funding cycles shift and advisors move institutions. Critics argue a fixed period imposes a bureaucratic rhythm on work that has never followed one.
• Medical residency and physician training extending beyond the initial admission period is a specific and repeatedly cited concern, given that these programs have fixed structures, serve patients, and cannot simply be compressed to fit a paperwork window.
• PhD candidates commonly exceed four years, meaning the extension process is not an edge case for graduate education but the expected path for a large share of doctoral students.
• Cost and processing risk fall on individuals. Filing fees, biometrics appointments and the preparation burden land on students who are, in most cases, living on stipends.
• Adjudicative discretion introduces uncertainty into what was previously automatic. Even a high approval rate is a change from a process with no denial mechanism at all.
• Institutions warn about competitiveness. Students choosing between countries weigh administrative risk, and other destinations have not made an equivalent move.

That last point is the one prospective students can actually act on. If administrative certainty is a priority, it is reasonable to look at how the Canadian student visa, the UK student visa and the Australian student visa frameworks handle long programs, none of which have adopted a comparable fixed-admission rule. That is a comparison, not a recommendation. The US retains advantages in research funding, faculty and post-study opportunity that a paperwork burden does not erase, and the right answer depends on your field, your funding and your risk tolerance.

Our position on the disagreement itself is simply that both sides are describing real things. DHS is right that duration of status was an unusually open-ended framework. Critics are right that the fix imposes recurring cost and uncertainty on people who did nothing wrong. Neither observation supports the claim that students must leave after four years.

What students should do now

Concrete steps, in order. Most of these cost nothing and take an afternoon.

1. Check the program end date on your I-20 or DS-2019. This is the reference point for your admission period, and a surprising number of students have never looked at it closely or have a copy that no longer reflects their actual timeline.
2. Talk to your DSO. They are the single most useful person available to you, they are reading the same rule, and their advice is specific to your record and your institution. Book the appointment now rather than in September when every student on campus wants one.
3. Diarise your I-94 expiry. Once your admission carries a date, that date drives everything. Put it in your calendar with reminders at twelve, six and three months out, and check your I-94 record after any travel.
4. Plan your EOS filing early. If your program will run past your admission period, the filing needs to be with USCIS before your status expires. Early filing is what activates the protection that lets you continue authorized activities while a timely-filed application is pending.
5. Budget for fees and biometrics. Filing fees and biometrics costs are real money on a student stipend and the amounts change over time. Confirm current figures on the USCIS website and build them into your funding conversations with your department.
6. Keep compliance documentation. Enrolment verification, financial support evidence, and a clean record of normal academic progress. Under a system built around periodic federal review, being able to evidence compliance quickly is worth more than it used to be.
7. Consult an immigration attorney if you are on a PhD, a medical residency, a combined program, or any path likely to exceed your admission period. This is precisely the situation where individual legal advice is worth paying for, and where general articles, including this one, stop being sufficient.
8. Do not panic-leave based on headlines. Departing the United States mid-program on the strength of a misread news story is the worst available outcome, because it is self-inflicted, it is often irreversible in the short term, and it is based on a claim that is not true.

The bigger 2026 picture

This rule is not an isolated event, and understanding the sequence it belongs to helps explain why it feels heavier than its text alone would suggest. 2026 has brought a cluster of changes affecting the international student to skilled worker pipeline: an overhaul of the H-1B lottery, intensified F-1 fraud enforcement, and now the end of duration of status.

Individually, each has a defensible rationale and a bounded scope. Collectively, they change the risk profile of the traditional path that has drawn students to the United States for decades: study, practical training, employer sponsorship, and eventually permanent residence. Every link in that chain has been touched this year. For students choosing where to spend four to seven years and a substantial amount of money, it is the aggregate that matters, not any single rule.

It is also worth registering that the sequence has not run in one direction. Our coverage of the H-1B $100,000 fee litigation is a useful corrective to fatalism: significant immigration measures do get challenged, and they sometimes lose. That cuts both ways here. It is a reason not to treat any 2026 rule as immutable, and equally a reason not to build your personal plan on the assumption that a court will rescue you.

Scam warning

Every high-panic immigration story produces a wave of people who will take money from frightened students, and this one is close to ideal conditions for them: 1.2 million anxious people, a genuinely confusing rule, a hard date on the calendar and a widespread false belief that a deadline is about to force people out of the country. Expect targeting on WhatsApp groups, campus notice boards, Telegram channels and social media ads.

• Use your DSO first. They are free, they are institutionally accountable, and they know your record.
• Use licensed immigration attorneys for legal advice. Verify the licence with the relevant state bar, not with the firm's own website.
• Treat guaranteed approvals, urgent pay-today offers and claims of insider contacts at USCIS as automatic disqualifiers.
• Never let anyone file in your name without showing you the exact documents being submitted. You sign it, you own it, and you carry the consequence of anything false in it.
• Be suspicious of anyone whose sales pitch depends on the claim that you must leave after four years. That claim is false, and using it to sell you something tells you what the seller is.

Fraudulent or careless filings are a leading cause of avoidable refusals, and the consequences outlast the fee you paid. Our breakdown of the most common visa rejection reasons covers the patterns that sink applications, most of which are entirely preventable.

A closing word on the substance. This rule imposes real costs, real uncertainty and real administrative burden on people who have done nothing wrong, and the criticism it is drawing from universities and professional associations is well founded. It also does not do the thing the headlines say it does. You are not being forced out after four years. You are being asked to obtain federal approval to stay past a date that will now appear on your I-94. Those are very different problems, and only one of them is yours to solve. Know your dates, talk to your DSO, file early, and get proper legal advice if your program is long.