International students planning to study in the United States will soon face more paperwork, tighter deadlines and greater interaction with immigration authorities after the Trump administration replaced the decades-old "Duration of Status" (D/S) system with fixed admission periods for F-1 students.
While the change has widely been described as a student visa overhaul, immigration lawyers say the biggest shift is not to the visa itself but to a student's immigration status after entering the US. Under the new rule, students will no longer remain in the country simply by maintaining valid student status. Instead, they will receive a fixed period of admission tied to the length of their academic programme, capped at four years.
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Visa validity isn't what has changed
One of the biggest misconceptions is that the US has reduced the validity of student visas.
According to Poorvi Chothani, immigration attorney from Florida, the new regulation changes how long students are admitted into the US—not necessarily how long their visas will be valid.
"The Department of State has not said it is changing visa validity. What has changed is admission into the country. Instead of being admitted for Duration of Status (D/S), students will now be admitted for a fixed period based on the programme duration or four years, whichever is lower," Chothani says.
She explained that a visa is only a travel document that allows someone to seek entry into the United States. Once they arrive at a port of entry, Customs and Border Protection (CBP) determines how long they may stay and this is recorded in their I-94 admission record.
Until now, that record usually carried "D/S", allowing students to remain in the US as long as they maintained full-time student status through their university.
That automatic flexibility is ending for new students admitted under the new framework.
Most students won't automatically receive four years
The four-year limit has also created confusion.
Rajiv Khanna, managing attorney at Immigration.com, said many students assume everyone will now receive a four-year stay. That is incorrect.
"The four-year limit is a ceiling, not an automatic grant. Your stay is tied directly to the programme end date on your Form I-20. If you are pursuing a two-year master's degree, the CBP officer will admit you only for those two years, plus the newly reduced 30-day grace period," Khanna explains.
The regulation also allows students to enter up to 30 days before their programme starts and remain for 30 days after it ends. Those periods do not count towards the four-year cap.
More paperwork when moving to another programme
One of the biggest practical changes comes when students continue their education.
Earlier, universities could largely manage a student's transition from a bachelor's degree to a master's programme by updating their SEVIS records while the student remained under Duration of Status.
Now, many students will have to file an extension of stay with USCIS if their authorised admission period is insufficient to complete the next programme.
"If they need more time to complete their course, they can apply for an extension of status, within the country, by filing Form I-539. We are talking about status here, not the visa," Chothani said.
Khanna notes that changing educational levels is still permitted, but students whose new programme extends beyond their authorised stay will need to obtain USCIS approval rather than relying solely on their university.
PhD students will be hit the hardest
The biggest impact is expected on doctoral students.
Many US PhD programmes run between five and seven years. Under the old system, students generally remained in valid status throughout the programme without filing separate immigration applications.
Now they will need to apply for an extension before their authorised stay expires.
"The biggest impact will be for PhD students. PhD programmes generally last five to seven years. Even then, students are only going to get admitted for four years. Before their status expires, they'll have to apply for an extension to complete their PhD program," Chothani said.
Every doctoral student whose programme extends beyond four years will now have to submit an extension application, pay filing fees, provide supporting documents and potentially complete biometrics while waiting for USCIS to decide the case.
OPT will require more immigration filings
Students planning to work after graduation through Optional Practical Training (OPT) will also face additional paperwork.
Previously, students admitted under Duration of Status could generally move into OPT without separately extending their immigration status.
Under the new framework, many students will have to file both Form I-765 for employment authorisation and Form I-539 to extend their status.
There is a temporary transition exemption for certain students already in the United States who file OPT applications before March 18, 2027.
Grace period reduced from 60 days to 30
The rule also shortens the post-study grace period.
Students admitted under the new framework will generally receive only 30 days after completing their programme to leave the US, change status or begin another programme, compared with 60 days under the previous system.
Khanna says the shorter timeline leaves students less room to arrange university transfers, secure admission offers, move homes or prepare international travel.
What if students travel home?
Students who leave the United States after their visa expires will still need a new visa to return, even if they have maintained valid status inside the country.
"As long as you remain within the country once your extension is approved, you are in status and don't need a new visa. But if you leave the country and the visa has expired, you need a new visa to come back," Chothani said.
She cautioned that there is still no official clarification from the Department of State on whether student visa validity periods will change.
"There is no announcement about visas as yet. What has changed is duration of status. Visa policy is decided by the Department of State."
For most undergraduate and master's students, the immediate impact on the length of a single degree programme may be limited. But almost every student planning to stay longer—whether for another degree, OPT or a lengthy PhD—will face more immigration paperwork, more filing fees and stricter deadlines than under the decades-old Duration of Status system.
