The End of D/S: US to Overhaul F-1 Visa with a Fixed 4-Year Limit

For families preparing for a U.S. education, September 15, 2026, has become a date you must remember. The U.S. Department of Homeland Security (DHS) has confirmed a new rule that eliminates the 'Duration of Status' (D/S) policy, the long‑standing foundation of the F-1 student visa. In its place, students will be granted a fixed period of stay, up to a maximum of four years, upon entry.

This is not merely a change in paperwork. It signals the end of an era where students could study securely under their school's protection. We are now entering an 'era of uncertainty,' where students and parents must personally bear the full weight of all variables and risks associated with studying abroad.

What's Changing, and How?

Until now, F-1 students have benefited from the Duration of Status (D/S) system, which allowed them to remain in the U.S. legally as long as they were pursuing their studies. It was a flexible and reasonable system, requiring only a timely I-20 form renewal from their school's International Student Office.

However, the new regulation removes this institutional discretion and introduces a strict expiration date. From now on, the date stamped on the I-94 arrival record by an immigration officer will be the absolute deadline for a student's legal stay. The specific changes are detailed below.

The Emergence of Uncontrollable Risks

You might think that meticulous planning can overcome this. But the most frightening risk of this new policy lies in something that no amount of effort from students or parents can control: the extreme volatility of U.S. Citizenship and Immigration Services (USCIS) administrative processing.

The evidence is in the numbers. The current average processing time for the I-539 form, which is required for an extension of stay, can range from 12 to 18 months. The backlog of unprocessed applications at USCIS has already surpassed 11.3 million. This creates a terrifying scenario where a student could apply for an extension a full year before their status expires, only to fall into unlawful status overnight while their application is delayed in processing.

Furthermore, the university support systems that once served as a strong safety net can no longer be fully trusted. As NAFSA: Association of International Educators has pointedly noted, this measure signifies the government's intent to intervene directly in the academic decisions of universities. The role of a university's International Student Office has been downgraded from taking legally effective 'action' to offering mere 'advice.' The final decision‑making power now rests entirely in the hands of a remote USCIS officer reviewing a stack of papers.

Invisible Shackles and Mounting Opportunity Costs

This uncertainty will act as an invisible shackle on students throughout their academic journey. When new opportunities arise that might delay graduation by a semester or two, such as a double major, advanced research, or a valuable internship, students will be forced to hesitate and calculate their visa expiration date rather than boldly seizing the moment.

In fact, the new rule virtually prohibits graduate students from changing their field of study if they discover a new interest. It also applies very strict standards to undergraduate freshmen who wish to transfer schools or change their academic objectives. To make matters worse, with even Harvard University eliminating its early graduation option using AP credits, the pathways to finding alternative routes under the pressure to graduate in four years are narrowing.

Therefore, this policy is more than just an administrative measure to limit the period of stay. It erodes the full academic potential and range of opportunities a student can experience in the U.S., effectively billing our children a steep 'opportunity cost' in return.